1 2005-11-11 Kaz Kojima <kkojima@gcc.gnu.org>
4 * calls.c (expand_call): Copy a return value to a plain register
7 2005-11-10 Alexandre Oliva <aoliva@redhat.com>
10 * varasm.c (assemble_name): Recompute name only for transparent
13 2005-11-10 Hans-Peter Nilsson <hp@axis.com>
15 * tree-ssa-structalias.c (heapvar_lookup): Fix typo: stmt to from.
17 2005-11-04 Jeff Law <law@redhat.com>
20 * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Do not
21 perform reassociation if the parent statement will not die as
22 a result of the optimization.
24 2005-11-10 Daniel Berlin <dberlin@dberlin.org>
26 * tree-ssa-alias.c (compute_may_aliases): Remove call to
28 * tree-dfa.c (referenced_var_remove): Remove function.
29 * tree-ssa.c (init_tree_ssa): Call init_alias_heapvars.
30 (delete_tree_ssa): Remove call to delete_old_heapvars.
31 Add call to delete_alias_heapvars.
32 * tree-flow.h (referenced_var_remove): Remove prototype
33 (init_alias_heapvars): New prototype.
34 (delete_alias_heapvars): Ditto.
35 * Makefile.in (tree-ssa-structalias.o): Add
36 gt-tree-ssa-structalias.o
37 (GTFILES): Add tree-ssa-structalias.h and
38 tree-ssa-structalias.c.
39 (s-gtype): Add gt-tree-ssa-structalias.h.
40 * tree-ssa-structalias.c (heapvars): Remove.
41 (oldheapvars): Remove.
42 (heapvar_for_stmt): New variable.
43 (heapvar_lookup): New function.
44 (heapvar_insert): Ditto.
45 (get_constraint_for): See if we have an old heapvar
47 (init_alias_heapvars): New function.
48 (delete_alias_heapvars): Ditto.
49 Add include of gt-tree-ssa-structalias.h.
51 2005-11-10 Eric Botcazou <ebotcazou@libertysurf.fr>
54 * calls.c (special_function_p): Set ECF_RETURNS_TWICE for getcontext.
56 2005-11-10 Eric Botcazou <ebotcazou@adacore.com>
58 * tree.c (int_fits_type_p): Only look at the base type
59 if it has the same precision as the original type.
61 2005-11-10 Jakub Jelinek <jakub@redhat.com>
64 * varasm.c (assemble_alias): Use %q+D in the error
65 message instead of %J and %qD.
67 2005-11-10 Richard Guenther <rguenther@suse.de>
69 * gcse.c (free_ldst_entry): Only free hashtable if
72 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
74 * function.c (assign_stack_local_1): Issue an error message if
75 the frame size overflows in the signed target arithmetics.
77 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
79 * tree.c (build_qualified_type): Chain the new type to the original
80 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
81 a POINTER_TYPE or a REFERENCE_TYPE respectively.
82 (build_pointer_type_for_mode): Only return unqualified types.
83 (build_reference_type_for_mode): Likewise.
85 2005-11-09 Jakub Jelinek <jakub@redhat.com>
87 * Makefile.in (gnucompare): Do comparison of all files using one of
88 the chosen methods and only afterwards decide if just warning should
89 be issued or comparison failure raised.
91 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
93 * ifcvt.c (noce_get_alt_condition): Use prev_nonnote_insn.
94 (noce_try_abs): Negate if the comparison is reversed.
95 Look only one instruction backwards for a REG_EQUAL note.
97 2005-11-09 Alexandre Oliva <aoliva@redhat.com>
100 * gthr-dce.h, gthr-posix.h, gthr-posix95.h, gthr-solaris.h,
101 gthr-tpf.h: Define __gthrw. For all identifiers that might
102 be weak, introduce weakrefs or non-weak aliases with __gthrw,
103 and prefix all uses with __ghtrw.
105 2005-11-09 Alexandre Oliva <aoliva@redhat.com>
108 * tree.h (IDENTIFIER_TRANSPARENT_ALIAS): New.
109 (TREE_DEPRECATED): Adjust comment. Check for a DECL.
110 * c-common.c (handle_weakref_attribute): New.
111 (c_common_attribute_table): Add weakref.
112 * configure.ac (HAVE_GAS_WEAKREF): Check for weakref support
114 * configure, config.in: Rebuilt.
115 * defaults.h (ASM_OUTPUT_WEAKREF): Define if HAVE_GAS_WEAKREF.
116 * doc/extend.texi: Document weakref attribute.
117 * varasm.c (ultimate_transparent_alias_target): New
118 (assemble_name): Use it.
119 (weak_finish_1): Split out of...
120 (weak_finish): ... and deal with weakrefs in...
121 (weakref_targets): ... new list.
122 (globalize_decl): Clean up weakref_targets.
123 (do_assemble_alias): Handle weakrefs.
124 (finish_aliases_1): Do not reject weakrefs to external symbols.
125 (assemble_alias): Handle weakrefs.
127 2005-11-09 Richard Guenther <rguenther@suse.de>
129 PR tree-optimization/24716
130 * tree-scalar-evolution.c (analyze_evolution_in_loop): Use
131 t_bool to track results from follow_ssa_edge.
133 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
135 * final.c (force_source_line): New global variable.
136 (final_scan_insn): Set it to true instead of clearing last_filename.
137 (notice_source_line): Return true if force_source_line is true,
138 unless source info is absent.
140 2005-11-09 Andrew Pinski <pinskia@physics.uc.edu>
143 * dwarf2-out.c (add_name_and_src_coords_attributes): Don't add
144 a linkage name for a variable if it a register variable.
145 * c-decl.c (grokdeclarator): Global register variables
146 should be set as PUBLIC.
148 2005-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
151 * config/s390/s390.c (struct s390_frame_layout): New fields
152 first_save_gpr_slot and last_save_gpr_slot.
153 (cfun_grps_save_area_size, s390_frame_info, s390_emit_prologue,
154 s390_emit_epilogue, s390_initial_elimination_offset): Replaced
155 first_save_gpr and last_save_gpr with the _slot variants.
156 (s390_register_info): Calculate first_save_gpr_slot and
157 last_save_gpr_slot using regs_ever_live.
159 2005-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
162 * config/s390/s390.c (s390_regs_ever_clobbered): Only save live eh regs
163 for a function containing a landing pad.
165 2005-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
168 * flow.c (mark_set_1): Handle CLOBBERs like SETs if the register
171 2005-11-08 Bernd Schmidt <bernd.schmidt@analog.com>
173 * config/bfin/t-bfin-elf (MULTILIB_OPTIONS, MULTILIB_DEFAULTS,
174 MULTILIB_DIRNAMES, MULTILIB_EXCEPTIONS): New.
176 2005-11-09 Nathan Sidwell <nathan@codesourcery.com>
179 * config/ms1/ms1.md (UNSPEC_BLOCKAGE, UNSPEC_EI, UNSPEC_DI): New
181 (call,load,store): New insn types.
182 (mem_access, branch_access): Adjust reservation conditions.
183 (define_delay): Adjust condition.
184 (decrement_and_branch_until_zero): Allow for ms2. Set branch
186 (*decrement_and_rbanch_until_zero_no_clobber): Allow for ms2.
187 (*movqi_internal,*movsi_internal,*movsf_internal): Use load,store
189 (call_internal, call_value_internal, return_internal,
190 return_interrupt_internal, eh_return_internal, indirect_jump,
191 tablejump): Set call insn type.
192 (blockage, ei, di): Use appropriate unspec const.
193 * config/ms1/ms1.c (ms1_flag_delayed_branch): New.
194 (ms1_get_attr_type): Adjust to give load & store types.
195 (ms1_final_prescan_insn): Adjust for new insn types. Don't look
196 backwards past a barrier.
197 (ms1_override_options): Accept ms2 arch. Copy and reset delayed
199 (struct branch_info, struct label_info): New.
201 (ms1_add_branches, ms1_check_delay_slot, ms1_reorg_hazard): New.
202 (ms1_machine_reorg): New.
203 (TARGET_MACHINE_DEPENDENT_REORG): Override.
204 * config/ms1/crtn.asm: Add nop for ms2 JAL hazard.
205 * config/ms1/ms1.h (processor_type): Add PROCESSOR_MS2.
206 (ASM_SPEC, LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Add ms2.
209 2005-11-09 Per Bothner <per@bothner.com>
210 Uros Bizjak <uros@kss-loka.si>
213 * toplev.c (process_options): Initialize debug_hooks early
214 in case lang_hooks.post_options ends up calling a debug_hook.
216 2005-11-08 Jakub Jelinek <jakub@redhat.com>
218 * dwarf2out.c (multiple_reg_loc_descriptor): Don't assume
219 DBX_REGISTER_NUMBER being contiguous.
221 2005-11-08 James A. Morrison <phython@gcc.gnu.org>
222 Diego Novillo <dnovillo@redhat.com>
225 * tree-vrp.c (register_edge_assert_for): Do not register
226 always-false predicates.
228 2005-11-08 Devang Patel <dpatel@apple.com>
230 PR tree-optimization/23115
231 * tree-if-conv.c (find_phi_replacement_condition): Check domninated_by
234 2005-11-08 Joseph S. Myers <joseph@codesourcery.com>
236 * config/rs6000/t-fprules (MULTILIB_MATCHES_FLOAT): Include
239 2005-11-08 Daniel Berlin <dberlin@dberlin.org>
241 Fix PR tree-optimization/23382
243 * tree-ssa-alias.c (compute_may_aliases): Call
244 delete_old_heap_vars.
245 * tree-dfa.c (referenced_var_remove): New function.
246 * tree-ssa.c (delete_tree_ssa): Call delete_old_heap_vars.
247 * tree-flow.h (referenced_var_remove): Add prototype.
248 (delete_old_heap_vars): Ditto.
249 * tree-ssa-structalias.c (heapvars): New variable.
250 (oldheapvars): Ditto.
251 (get_constraint_for): Put heap vars on heapvars list.
252 (delete_old_heap_vars): New function.
254 2005-11-08 Jason Merrill <jason@redhat.com>
256 * tree.h (CALL_FROM_THUNK_P): Add CALL_EXPR_CHECK.
258 2005-11-08 Uros Bizjak <uros@kss-loka.si>
261 * reg-stack.c (reg_to_stack): Update register liveness also
262 for flag_sched2_use_traces.
264 2005-11-08 Alan Modra <amodra@bigpond.net.au>
267 * config/rs6000/rs6000.c (rs6000_handle_option <OPT_m64>): Don't
268 override prior explicit -mno-powerpc-gfxopt.
270 2005-11-07 Eric Botcazou <ebotcazou@adacore.com>
272 * expmed.c (extract_bit_field): Do not use insv/extv/extzv patterns
273 if the bitsize is zero.
274 * doc/md.texi (Standard Pattern Names): Document it.
276 * config/ia64/ia64.c (ia64_pass_by_reference): Delete.
277 (TARGET_PASS_BY_REFERENCE): Likewise.
279 2005-11-07 Ian Lance Taylor <ian@airs.com>
281 PR rtl-optimization/24683
282 * config/i386/i386.c (legitimize_pic_address): If constant operand
283 to PLUS is too large, put it in a register.
285 2005-11-07 Jie Zhang <jie.zhang@analog.com>
287 * configure.ac: Enable checking assembler dwarf2 support for bfin
289 * configure: Regenerate.
291 2005-11-07 Paolo Bonzini <bonzini@gnu.org>
295 * config/rs6000/rs6000.c (easy_vector_splat_const, easy_vector_same,
296 gen_easy_vector_constant_add_self): Delete.
297 (vspltis_constant, easy_altivec_constant, gen_easy_altivec_constant):
299 (output_vec_const_move): Use gen_easy_altivec_constant.
300 (rs6000_expand_vector_init): Do not emit a set of a VEC_DUPLICATE.
301 * config/rs6000/predicates.md (easy_vector_constant): Reorganize tests.
302 (easy_vector_constant_add_self): Rewritten.
303 * config/rs6000/rs6000-protos.h (easy_vector_splat_const,
304 easy_vector_same, gen_easy_vector_constant_add_self): Remove prototype.
305 (easy_altivec_constant, gen_easy_altivec_constant): Add prototype.
306 * config/rs6000/altivec.md (easy_vector_constant_add_self splitters):
307 Macroize and adjust for the other changes.
309 2005-11-07 Paolo Bonzini <bonzini@gnu.org>
313 * c-typeck.c (build_c_cast): Try using a shared constant, and see
314 if TREE_OVERFLOW or TREE_CONSTANT_OVERFLOW really changed.
316 2005-11-07 Jakub Jelinek <jakub@redhat.com>
318 PR rtl-optimization/23567
319 * ifcvt.c (noce_mem_write_may_trap_or_fault_p): New function.
320 (noce_process_if_block): Don't do any optimizations except
321 if (cond) x = x; if !set_b and write into orig_x may trap
322 or fault. Remove the MEM_READONLY_P check.
324 2005-11-06 Diego Novillo <dnovillo@redhat.com>
327 * tree-vrp.c (fix_equivalence_set): New.
328 (extract_range_from_assert): Call it.
330 2005-11-05 Ian Lance Taylor <ian@airs.com>
333 * combine.c (apply_distributive_law): Don't distribute across a
336 2005-11-05 Kazu Hirata <kazu@codesourcery.com>
338 * c-typeck.c, config/i386/netware.h, config/m32c/cond.md,
339 config/ms1/ms1.h, config/rs6000/predicates.md,
340 config/s390/s390.c, params.def, postreload-gcse.c,
341 tree-flow-inline.h, tree-ssa-operands.c, tree-vectorizer.c,
342 tree-vrp.c, tree.c: Fix comment typos.
343 * doc/invoke.texi: Fix typos.
345 2005-11-05 Sebastian Pop <pop@cri.ensmp.fr>
347 * lambda-code.c (lambda_transform_legal_p): Use DDR_NUM_DIST_VECTS
348 for testing whether the data_dependence_relation contains distance
349 vectors. Iterate over all distance vectors of the ddr.
350 * lambda.h: Define a vec of lambda_vector pointers.
351 * tree-data-ref.c (dump_data_dependence_relation,
352 dump_data_dependence_direction): Iterate over all distance and
353 direction vectors of the ddr.
354 (initialize_data_dependence_relation): Initialize DDR_DIR_VECTS and
356 (build_classic_dist_vector, build_classic_dir_vector): Push a set
357 of distance/direction vectors instead of a single one.
358 * tree-data-ref.h (dir_vects, dist_vects): Replace dir/dist
359 lambda_vectors with a vec of lambda_vectors.
360 (DDR_DIR_VECT, DDR_DIST_VECT): Redefined as operations on vec.
361 (DDR_DIR_VECTS, DDR_DIST_VECTS, DDR_NUM_DIR_VECTS,
362 DDR_NUM_DIST_VECTS): New.
363 * tree-loop-linear.c (gather_interchange_stats): Test for the
364 existence of distance vectors only after having checked that there
365 is a dependence. Iterate over all distance vectors of the ddr.
366 (linear_transform_loops): Use dump_data_dependence_relation.
367 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Test for
368 distance vectors using DDR_NUM_DIST_VECTS. Iterate over all the
369 distance vectors of the ddr.
371 2005-11-05 Bernd Schmidt <bernd.schmidt@analog.com>
373 * config/bfin/bfin.c (n_dregs_to_save, n_pregs_to_save,
374 expand_prologue_reg_save, expand_epilogue_reg_restore): New argument
375 IS_INTHANDLER; all callers changed.
376 (n_regs_saved_by_prologue): Take interrupt handler attributes into
378 (do_link, do_unlink): New argument ALL; all callers changed.
379 (expand_interrupt_handler_prologue, expand_interrupt_handler_epilogue):
380 If function isn't leaf, save and restore all registers.
381 (bfin_function_ok_for_sibcall): Only true if not an interrupt or
384 2005-11-05 Jan Hubicka <jh@suse.cz>
386 PR rtl-optimization/23490
387 * doc/invoke.texi (max-predicted-iterations, max-cse-insns,
388 max-flow-memory-location): Document.
389 * flow.c: Include params.h
390 (MAX_MEM_SET_LIST_LEN): Kill.
391 (add_to_mem_set_list): Use new param.
392 * cse.c (cse_basic_block): Replace 1000 by new param.
393 * params.def (PARAM_MAX_PREDICTED_ITERATIONS, PARAM_MAX_CSE_INSNS,
394 PARAM_MAX_FLOW_MEMORY_LOCATIONS): New.
395 * predict.c (predict_loops): Use new param.
396 * predict.def (MAX_PRED_LOOP_ITERATIONS): Remove.
398 * ipa-inline.c (cgraph_decide_inlining_of_small_function,
399 cgraph_decide_inlining, cgraph_decide_inlining_incrementally):
400 Do not hold memory returned by cgraph_node_name across other call.
402 2005-11-04 Hans-Peter Nilsson <hp@axis.com>
405 * config/cris/predicates.md ("cris_bdap_sign_extend_operand"):
408 2005-11-04 Jeff Law <law@redhat.com>
411 * doc/invoke.texi: Document max-jump-thread-duplication-stmts PARAM.
412 * tree-ssa-dom.c: Include params.h.
413 (thread_across_edge): If there are too many statements in the
414 target block, then do not thread through it.
415 * Makefile.in (tree-ssa-dom.o): Depend on $(PARAMS_H).
416 * params.def (PARAM_MAX_JUMP_THREAD_DUPLICATION_STMTS): New PARAM.
418 2005-11-03 Diego Novillo <dnovillo@redhat.com>
421 * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Use
422 TODO_update_ssa instead of TODO_update_ssa_no_phi.
424 2005-11-04 Sebastian Pop <pop@cri.ensmp.fr>
427 * tree-scalar-evolution.c (instantiate_parameters_1,
428 instantiate_parameters, resolve_mixers): Compute the size of an
429 expression to be instantiated and give up the instantiation if the
430 size exceeds PARAM_SCEV_MAX_EXPR_SIZE.
432 2005-11-04 Richard Guenther <rguenther@suse.de>
434 * tree-flow.h (ref_contains_indirect_ref): Rename to
435 array_ref_contains_indirect_ref.
436 * tree-flow-inline.h (ref_contains_indirect_ref): Likewise.
437 (array_ref_contains_indirect_ref): Make comment match the code
439 (ref_contains_array_ref): Likewise.
440 * tree-ssa-structalias.c (find_func_aliases): Remove call to
441 ref_contains_indirect_ref.
442 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
443 Rename calls to ref_contains_indirect_ref.
445 2005-11-04 Paul Brook <paul@codesourcery.com>
447 * config/arm/arm.c (arm_load_pic_register): Pass extra reg to
448 gen_pic_add_dot_plus_four and gen_pic_add_dot_plus_eight.
449 (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
450 * config/arm/arm.md: Use match_operand in peephole input templates
451 and match_dup in peephole output templates.
453 2005-11-04 Daniel Jacobowitz <dan@codesourcery.com>
455 * config/arm/arm.c (arm_init_libfuncs): Use __aeabi_idiv and
458 2005-11-04 Mark Mitchell <mark@codesourcery.com>
459 Daniel Jacobowitz <dan@codesourcery.com>
461 * longlong.h (add_ssaaaa): Clobber condition code register
463 (sub_ddmmss): Likewise.
464 (umul_ppmm): Likewise.
466 2005-11-04 Daniel Jacobowitz <dan@codesourcery.com>
467 Paul Brook <paul@codesourcery.com>
468 Phil Blundell <pb@reciva.com>
470 * configure.ac: Add test for ARM TLS support.
471 * configure: Regenerated.
472 * config/arm/arm-protos.h (legitimize_tls_address)
473 (arm_tls_referenced_p, tls_mentioned_p)
474 (arm_output_addr_const_extra): New prototypes.
475 (thumb_legitimize_pic_address): Delete.
476 * config/arm/arm.c: Include "gt-arm.h".
477 (enum tls_reloc): New.
478 (arm_cannot_copy_insn_p, arm_tls_symbol_p, load_tls_operand)
479 (pcrel_constant_p, get_tls_get_addr, arm_load_tp)
480 (arm_call_tls_get_addr, legitimize_tls_address)
481 (arm_tls_referenced_p, arm_tls_operand_p_1, tls_mentioned_p)
482 (arm_init_tls_builtins, arm_emit_tls_decoration)
483 (arm_output_addr_const_extra): New functions.
484 (TARGET_CANNOT_COPY_INSN_P, TARGET_CANNOT_FORCE_CONST_MEM)
485 (TARGET_HAVE_TLS): Define.
486 (target_thread_pointer): New.
487 (arm_override_options): Handle -mtp=.
488 (legitimize_pic_address): Ignore UNSPECs.
489 (arm_legitimate_address_p, thumb_legitimate_address_p): Handle PC
491 (arm_legitimize_address, thumb_legitimize_address): Handle TLS.
492 (tls_get_addr_libfunc): New variable.
493 (symbol_mentioned_p, label_mentioned_p): Ignore UNSPEC_TLS.
494 (arm_init_builtins): Call arm_init_tls_builtins.
495 (arm_expand_builtin): Handle ARM_BUILTIN_THREAD_POINTER.
496 (arm_encode_section_info): Call default_encode_section_info.
497 * config/arm/arm.h (TARGET_HARD_TP, TARGET_SOFT_TP): Define.
498 (enum arm_tp_type): New.
499 (target_thread_pointer): Add declaration.
500 (LEGITIMATE_CONSTANT_P): Handle TLS.
501 (LEGITIMATE_PIC_OPERAND_P): Handle TLS.
502 (OUTPUT_ADDR_CONST_EXTRA): Call arm_output_addr_const_extra.
503 (enum arm_builtins): Add ARM_BUILTIN_THREAD_POINTER.
504 * config/arm/arm.md: Add UNSPEC_TLS.
506 (pic_add_dot_plus_four, pic_add_dot_plus_eight): Allow for
508 (tls_load_dot_plus_eight): New insn and a peephole to create it.
509 (load_tp_hard, load_tp_soft): New insns.
510 * arm.opt: Add -mtp=.
511 * doc/invoke.texi (ARM Options): Document -mtp.
513 2005-11-04 Daniel Jacobowitz <dan@codesourcery.com>
515 * config/arm/lib1funcs.asm: Don't include "libunwind.S".
516 * config/arm/libunwind.S: Include "lib1funcs.asm".
517 * config/arm/t-bpabi (LIB1ASMFUNCS): Remove _unwind.
518 (LIB2ADDEH): Add libunwind.S.
519 (LIB2ADDEHDEP): Add lib1funcs.asm.
520 * mklibgcc.in: Handle asm files in libgcc_eh.a.
522 2005-11-04 Francois-Xavier Coudert <coudert@clipper.ens.fr>
525 * gcc/c.opt: Add a -lang-fortran option.
526 * gcc/c-opts.c: Add a lang_fortran flag.
527 (c_common_init_options): Handling the -lang-fortran option.
528 (c_common_handle_option): Add a case for Fortran options in
529 preprocessing. Remove cases for -ffixed-form and
530 -ffixed-line-length. Add a case for -lang-fortran.
532 2005-11-03 David Edelsohn <edelsohn@gnu.org>
534 * config/rs6000/rs6000.c: Include params.h
535 (optimization_options): Set max-grow-copy-bb-insns default to 16.
536 (bdesc_2arg): Delete vpkuhss and vpkuwss.
537 * config/rs6000/altivec.md (UNSPEC_VPKUHSS): Delete.
538 (UNSPEC_VPKUWSS): Delete.
539 (altivec_vpkuhss): Delete.
540 (altivec_vpkuwss): Delete.
541 * config/rs6000/rs6000.md (plus_eqsi): Remove optimize_size from
543 (neg_eq0<mode>): Remove final condition.
544 (neg_eq<mode>): Remove condition and split-condition.
546 2005-11-04 Alan Modra <amodra@bigpond.net.au>
548 * config/rs6000/rs6000.c (output_toc): Make "offset" HOST_WIDE_INT.
549 Use associated print macros.
551 2005-11-03 Joseph S. Myers <joseph@codesourcery.com>
554 * diagnostic.c (diagnostic_set_info_translated): New function.
555 (diagnostic_set_info): Use it. Add comment.
556 * diagnostic.h (diagnostic_set_info_translated): Declare.
558 2005-11-03 Eric Botcazou <ebotcazou@adacore.com>
560 * dwarf2asm.c (dw2_force_const_mem): Add new parameter 'public'.
561 On USE_LINKONCE_INDIRECT platforms, build a DECL_ONE_ONLY indirect
562 reference only if 'public' is true.
563 (dw2_output_indirect_constant_1): On USE_LINKONCE_INDIRECT platforms,
564 emit the .hidden directive only if the indirect reference is public.
565 (dw2_asm_output_encoded_addr_rtx): Add new parameter 'public'.
566 Pass it to dw2_force_const_mem.
567 * dwarf2asm.h (dw2_asm_output_encoded_addr_rtx): New param 'public'.
568 * dwarf2out.c (output_cfi): Adjust calls to above function.
569 (output_call_frame_info): Likewise.
570 * except.c (output_ttype): Pass TREE_PUBLIC of the type_info object
571 as 'public' argument to dw2_asm_output_encoded_addr_rtx.
573 2005-11-03 Zdenek Dvorak <dvorakz@suse.cz>
575 PR tree-optimization/24483
576 * tree-ssa-loop-ivopts.c (aff_combination_add_elt): Move rest
577 field to elts if possible.
579 2005-11-03 Andrew Pinski <pinskia@physics.uc.edu>
582 * gimplifier.c (gimplify_expr): Create a temporary for lvalue
585 2005-11-03 Daniel Berlin <dberlin@dberlin.org>
587 Fix PR tree-optimization/24351
589 * tree-ssa-structalias.c (struct variable_info): Add
591 (get_varinfo_fc): New function to follow collapsing.
592 (new_var_info): Set collapsed_to to NULL.
593 (dump_constraint): Follow collapsing.
594 (build_constraint_graph): Handle collapsing.
595 (do_simple_structure_copy): Return false if something bad
597 (collapse_rest_of_var): New function.
598 (do_structure_copy): Collapse if do_simple_structure_copy returns
601 2005-11-03 Andrew Pinski <pinskia@physics.uc.edu>
604 * gimplify.c (gimplify_expr) <case CONSTRUCTOR>: Add the
605 expressions to a statement list instead of gimplifying them.
607 2005-11-03 Eric Botcazou <ebotcazou@libertysurf.fr>
609 PR rtl-optimization/23585
610 * rtlanal.c (rtx_addr_can_trap_p_1) <PLUS>: Return 0 for an address
611 that can't trap plus a constant integer, if the mode has zero size.
613 2005-11-03 Ulrich Weigand <uweigand@de.ibm.com>
616 * config/s390/s390.md ("*insv<mode>_reg_imm"): Accept any CONST_INT
618 ("*insv<mode>_reg_extimm"): Likewise.
620 2005-11-03 Joseph S. Myers <joseph@codesourcery.com>
623 * c-pretty-print.c (pp_c_type_specifier): Do not recurse if
624 c_common_type_for_mode returns an unnamed type.
626 2005-11-02 Richard Henderson <rth@redhat.com>
630 * dwarf2out.c (dwarf2out_reg_save_reg): New.
631 (dwarf2out_frame_debug_expr): Return after dwarf_handle_frame_unspec.
632 * function.c (assign_parms): Use calls.internal_arg_pointer.
633 (expand_main_function): Remove FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN
635 * target-def.h (TARGET_INTERNAL_ARG_POINTER): New.
636 (TARGET_CALLS): Add it.
637 * target.h (struct gcc_target): Add calls.internal_arg_pointer.
638 * targhooks.c (default_internal_arg_pointer): New.
639 * targhooks.h (default_internal_arg_pointer): Declare.
640 * tree.h (dwarf2out_reg_save_reg): Declare.
641 * doc/tm.texi (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): Remove.
642 * config/i386/i386.c (dbx_register_map): Add return column.
643 (dbx64_register_map, svr4_dbx_register_map): Likewise.
644 (TARGET_INTERNAL_ARG_POINTER, ix86_internal_arg_pointer): New.
645 (TARGET_DWARF_HANDLE_FRAME_UNSPEC, ix86_dwarf_handle_frame_unspec): New.
646 (ix86_function_ok_for_sibcall): Disable if force_align_arg_pointer.
647 (ix86_save_reg): Save force_align_arg_pointer.
648 (ix86_emit_save_regs): Make regno unsigned.
649 (ix86_emit_save_regs_using_mov): Likewise.
650 (ix86_expand_prologue): Handle force_align_arg_pointer.
651 (ix86_expand_epilogue): Likewise.
652 * config/i386/i386.h: (dbx_register_map): Update.
653 (dbx64_register_map, svr4_dbx_register_map): Update.
654 (struct machine_function): Add force_align_arg_pointer.
655 * config/i386/i386.md (UNSPEC_REG_SAVE, UNSPEC_DEF_CFA): New.
656 (UNSPEC_TP, UNSPEC_TLS_GD, UNSPEC_TLS_LD_BASE): Renumber.
657 (TARGET_PUSH_MEMORY peepholes): Disable if RTX_FRAME_RELATED_P.
659 2005-11-02 Jan Hubicka <jh@suse.cz>
662 * i386.md: Add peep2 for simplyfing array accesses.
664 2005-11-02 Ulrich Weigand <uweigand@de.ibm.com>
667 * config/s390/s390-protos.h (s390_decompose_shift_count): Declare.
668 * config/s390/s390.c (s390_decompose_shift_count): New function.
669 (s390_extra_constraint_str) ['Y']: Use s390_decompose_shift_count.
670 (print_shift_count_operand): Use s390_decompose_shift_count.
671 * config/s390/predicates.md ("setmem_operand", "shift_count_operand"):
672 Use s390_decompose_shift_count. Do not accept any non-base hard regs.
674 2005-11-02 Ulrich Weigand <uweigand@de.ibm.com>
677 * loop.c (loop_givs_rescan): Use force_operand to expand
680 2005-11-02 Andrew Pinski <pinskia@physics.uc.edu>
683 * fold-const.c (build_range_check): Use unsigned when signed
684 overflow is undefined also. If etype is subtype, make sure that
685 the subtraction is in the supertype.
687 2005-11-02 Richard Henderson <rth@redhat.com>
690 * config/alpha/alpha.c (get_aligned_mem): Honor alignment given
693 2005-11-01 Richard Henderson <rth@redhat.com>
696 * loop.c (scan_loop): Do not propagate computations to a hard
697 register destination with SMALL_REGISTER_CLASSES.
699 2005-11-01 Joseph S. Myers <joseph@codesourcery.com>
701 * config/rs6000/rs6000.c (rs6000_rtx_costs): Do not add extra
702 costs for MULT inside PLUS or MINUS.
704 2005-11-01 Bob Wilson <bob.wilson@acm.org>
706 * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Add a byte of padding.
707 (TRAMPOLINE_SIZE): Round up to 60.
708 * config/xtensa/lib2funcs.S (TRAMPOLINE_SIZE): Likewise.
710 2005-10-31 James E. Wilson <wilson@specifix.com>
713 * dwarf2out.c (convert_cfa_to_loc_list): Put inside DWARF2_UNWIND_INFO
714 ifdef. Put ifdefs around call in gen_subprogram_die.
715 (compute_frame_pointer_to_cfa_displacement): Likewise.
716 (gen_subprogram_die): Restore old code for when DWARF2_UNWIND_INFO is
719 PR rtl-optimization/17356
720 * cfgrtl.c (purge_dead_edges): Undo last change. In EDGE_EH code,
721 add check for CALL_INSN if EDGE_ABRNOMAL_CALL true.
723 2005-10-31 Jan Hubicka <jh@suse.cz>
726 * cgraph.c (cgraph_clone_edge, cgraph_clone_node): Watch negative
729 * i386.c (legitimize_pic_address): Deal with large immediates.
732 * coverage.c (coverage_checksum_string): Fix code to stip random seeds
733 from symbol names while computing checkup.
736 * predict.c (predict_loops): Do not estimate more than
737 MAX_PRED_LOOP_ITERATIONS in PRED_LOOP_ITERATIONS heuristic.
738 * predict.def (MAX_PRED_LOOP_ITERATIONS): Define.
740 2005-10-31 Andrew MacLeod <amacleod@redhat.com>
742 PR tree-optimization/19097
743 * tree-ssa-operands.c (correct_use_link): Don't look for modified stmts.
745 2005-10-31 J"orn Rennecke <joern.rennecke@st.com>
747 * optabs.c (expand_unop): Take TRULY_NOOP_TRUNCATION into account.
749 2005-10-31 Andrew Pinski <pinskia@physics.uc.edu>
752 * tree-inline.c (setup_one_parameter): If the init_stmt
753 is NULL, don't insert the statement.
755 2005-10-30 Jan Hubicka <jh@suse.cz>
757 PR tree-optimization/24172
758 * tree-inline.c (copy_body_r): Unshare the substituted value first.
760 2005-10-30 Hans-Peter Nilsson <hp@bitrange.com>
762 * config/mmix/mmix.c (mmix_intval): Correct handling of DFmode
763 constants for hosts with long != 32 bits.
765 2005-10-28 Andreas Krebbel <krebbel1@de.ibm.com>
768 * ipa-inline.c (craph_decide_recursive_inlining): Fix return value.
770 2005-10-28 Aldy Hernandez <aldyh@redhat.com>
772 * config/ms1/ms1.h (TARGET_MS1_64_001): New.
773 (TARGET_MS1_16_002): New.
774 (TARGET_MS1_16_003): New.
776 * config/ms1/ms1.md ("decrement_and_branch_until_zero"): Rewrite.
777 ("*decrement_and_branch_until_zero_no_clobber"): New.
778 Add corresponding splitter for decrement_and_branch_until_zero
780 Key all decrement_and_branch_until_zero patterns off of
783 2005-10-28 Andrew Pinski <pinskia@physics.uc.edu>
786 * tree-complex.c (extract_component): Treat RESULT_DECL
787 like the rest of the decls.
789 2005-10-25 Eric Botcazou <ebotcazou@adacore.com>
791 * config/ia64/ia64.c (ia64_output_function_profiler): Emit an
792 indirect call to _mcount if the function needs a static chain.
794 2005-10-25 Eric Botcazou <ebotcazou@libertysurf.fr>
795 Caroline Tice <ctice@apple.com>
797 PR rtl-optimization/24460
798 * dwarf2out.c (have_switched_text_sections): New boolean variable.
799 (dwarf2out_switch_text_section): Set it to true instead of
800 incrementing separate_line_info_table_in_use.
801 (output_loc_list): Additionally test have_switched_text_sections.
802 (output_ranges): Likewise.
803 (dwarf2out_finish): Likewise.
804 * varasm.c (assemble_start_function): Do not call
805 insert_section_boundary_note.
806 (assemble_end_function): If flag_reorder_blocks_and_partition,
807 switch to the function's section before emitting the .size directive.
808 * bb-reorder.c (insert_section_boundary_note): Staticify.
809 (rest_of_handle_reorder_blocks): Call insert_section_boundary_note.
810 * output.h (insert_section_boundary_note): Delete.
812 2005-10-24 Andrew Pinski <pinskia@physics.uc.edu>
815 * c-format.c (check_format_types): Use lang_hooks.types_compatible_p
816 instead of pointer equality when comparing types.
818 2005-10-24 James E. Wilson <wilson@specifix.com>
820 * sched-deps.c (flush_pending_lists): Pass 1 not 0 in first two
821 add_dependence_list_and_free calls.
823 2005-10-24 Steven Bosscher <stevenb@suse.de>
825 * contrib.texi: Add the names of the LLNL folks who donated
826 Cray pointer support for gfortran.
828 2005-10-24 Steven Bosscher <stevenb@suse.de>
830 PR tree-optimization/24225
831 * profile.c (branch_prob): Look from end to start through a
832 basic block when looking for a locus.
834 2005-10-24 Richard Henderson <rth@redhat.com>
836 * pa.c (store_reg_modify): Set RTX_FRAME_RELATED_P on each set in
838 (hppa_expand_prologue): Likewise.
840 2005-10-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
842 * pa-linux.h (NO_PROFILE_COUNTERS): Delete define.
843 (NO_DEFERRED_PROFILE_COUNTERS): Define.
844 * pa.h (NO_PROFILE_COUNTERS): Define.
845 * pa.c (NO_DEFERRED_PROFILE_COUNTERS): Define if not defined.
846 (funcdef_nos): New vector to hold label numbers of deferred profile
848 (output_deferred_profile_counters): New function.
849 (hppa_profile_hook): Push label number onto funcdef_nos.
850 (pa_hpux_file_end): Call output_deferred_profile_counters if
851 NO_DEFERRED_PROFILE_COUNTERS is false.
853 * pa-protos.h (get_deferred_plabel): New prototype.
854 * pa.c (get_plabel): Rename to get_deferred_plabel. Return plabel.
856 (output_call): Adjust calls.
858 2005-10-24 Alan Modra <amodra@bigpond.net.au>
860 * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Explain
861 peculiarity of GOT/TOC section usage.
863 2005-10-23 Andrew Pinski <pinskia@physics.uc.edu>
866 * c-common.c (constant_string_class_name): Add documentation.
868 2005-10-23 Kaz Kojima <kkojima@gcc.gnu.org>
871 * recog.c (peephole2_optimize): Increment peep2_current_count
872 only when the slot is empty.
874 2005-10-23 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
877 * except.c (output_function_exception_table): Call
878 assemble_external_libcall if we need a personality function.
880 2005-10-21 Eric Botcazou <ebotcazou@libertysurf.fr>
882 PR rtl-optimization/24460
883 * bb-reorder.c (fix_crossing_unconditional_branches): Do not
884 set the basic block for barriers.
886 2005-10-21 Janis Johnson <janis187@us.ibm.com>
888 * var-tracking.c (vt_initialize): Initialize post.
890 2005-10-21 Devang Patel <dpatel@apple.com>
893 * c-common.c (vector_types_convertible_p): Check vector element type.
895 2005-10-21 Kaz Kojima <kkojima@gcc.gnu.org>
897 * config/sh/sh.c (prepare_move_operands): Handle the address
898 constant which is a tls symbolic address plus a constant.
900 2005-10-21 Andrew Pinski <pinskia@physics.uc.edu>
903 * gcc.c (main): Use the correct counter for erroring out
904 about mulitple files.
906 2005-10-21 Alan Modra <amodra@bigpond.net.au>
909 * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Always
910 use r2 for 64-bit tls .got access.
912 2005-10-21 Paolo Bonzini <bonzini@gnu.org>
914 * dojump.c (do_jump): Handle side-effecting TRUTH_AND_EXPR and
917 2005-10-20 Steven Bosscher <stevenb@suse.de>
919 PR tree-optimization/24307
920 * tree-cfg.c (tree_find_edge_insert_loc): Handle naked RETURN_EXPR.
922 2005-10-20 Alexandre Oliva <aoliva@redhat.com>
925 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Mark
927 * varasm.c (find_decl_and_mark_needed): After cgraph global info
928 is ready, stop marking functions, but still mark variables.
930 2005-10-20 Richard Guenther <rguenther@suse.de>
933 * fold-const.c (invert_truthvalue): Handle COND_EXPR with
936 2005-10-20 Eric Botcazou <ebotcazou@libertysurf.fr>
938 PR rtl-optimization/23585
939 * rtlanal.c (rtx_addr_can_trap_p_1): New predicate extracted from...
940 (rtx_addr_can_trap_p): ... here. Invoke rtx_addr_can_trap_p_1.
941 (may_trap_p_1): New predicate extracted from...
942 (may_trap_p): ... here. Invoke may_trap_p_1.
943 (may_trap_or_fault_p): New predicate.
944 * rtl.h (may_trap_or_fault_p): Declare it.
945 * reorg.c (steal_delay_list_from_target): Use may_trap_or_fault_p
946 instead of may_trap_p.
947 (steal_delay_list_from_fallthrough): Likewise.
948 (fill_simple_delay_slots): Likewise.
949 (fill_slots_from_thread): Likewise.
950 * function.c (pad_to_arg_alignment): Rework comment about
951 SPARC_STACK_BOUNDARY_HACK.
952 * config/sparc/sparc.h: Likewise.
954 2005-10-19 Adrian Straetling <straetling@de.ibm.com>
956 * config/s390/s390.c (s390_expand_insv): New.
957 * config/s390/s390-protos.h (s390_expand_insv): Declare.
958 * config/s390/s390.md ("UNSPEC_SETHIGH"): Rename to "UNSPEC_ICM".
959 ("icm_hi"): Remove mode attribute.
960 ("*sethigh<mode><mode>"): Rewrite to "sethighpart<mode>".
962 ("*extracthi", "*extractqi"): Remove.
963 (extv<mode>", "*extzv<mode>"): New.
964 ("insv", "*insv<mode>_mem_reg", "*insvdi_mem_reghigh",
965 "*insv<mode>_reg_imm", "*insv<mode>_reg_extimm"): New.
967 2005-10-19 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
969 * cfgexpand.c (discover_nonconstant_array_refs_r,
970 discover_nonconstant_array_refs): Move here from tree-outof-ssa.c
971 (tree_expand_cfg): Call discover_nonconstant_array_refs.
972 * tree-outof-ssa.c (rewrite_out_of_ssa): Remove call to
973 discover_nonconstant_array_refs.
975 2005-10-19 Steven Bosscher <stevenb@suse.de>
978 * c-decl.c (pop_scope): Don't warn about an unused variable
979 if it is marked with TREE_NO_WARNING.
980 (duplicate_decls): Set TREE_NO_WARNING if olddecl and newdecl
981 somenow mismatch and olddecl is to be replaced.
983 2005-10-19 Eric Botcazou <ebotcazou@libertysurf.fr>
986 * cfgrtl.c (safe_insert_insn_on_edge): Use can_copy_p to detect
987 whether registers live on the edge can be saved/restored.
989 2005-10-19 Kaz Kojima <kkojima@gcc.gnu.org>
991 * config/sh/sh.c (fixup_mova): Skip notes.
993 2005-10-19 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
995 * config/s390/s390-protos.h (s390_hard_regno_rename_ok): Add prototype.
996 * config/s390/s390.c (s390_hard_regno_rename_ok): New function.
997 (s390_can_eliminate): Handle BASE_REGNUM elimination.
998 (s390_initial_elimination_offset): Likewise.
999 (s390_conditional_register_usage): BASE_REGNUM is no longer a fixed
1000 register on TARGET_ZARCH targets.
1001 * config/s390/s390.h (HARD_REGNO_RENAME_OK): Define
1002 (INITIAL_FRAME_POINTER_OFFSET): Remove.
1003 (REG_ALLOC_ORDER): Move BASE_REGNUM lower.
1004 (ELIMINABLE_REGS): Add BASE_REGNUM elimination rule.
1006 2005-10-19 Andreas Krebbel <krebbel1@de.ibm.com>
1008 * config/s390/s390.md: Comment describing output modifiers updated.
1009 * config/s390/s390.c (print_operand): Likewise.
1011 2005-10-19 Andreas Krebbel <krebbel1@de.ibm.com>
1013 * config/s390/s390.c (override_options): Added check for -mstack-size
1015 * doc/invoke.texi: Mention that limit in the documenation.
1017 2005-10-18 Paolo Bonzini <bonzini@gnu.org>
1020 * dojump.c (do_jump): Handle TRUTH_AND_EXPR and TRUTH_OR_EXPR here.
1022 2005-10-18 Daniel Berlin <dberlin@dberlin.org>
1024 Fix PR tree-optimization/24231
1026 * tree-ssa-pre.c (try_look_through_load): Skip abnormal phi names
1027 (compute_avail): Ditto.
1029 2005-10-18 Richard Henderson <rth@redhat.com>
1032 * config/i386/i386.c (legitimate_constant_p): Check
1033 SYMBOL_REF_TLS_MODEL directly. Don't fallthru to SYMBOL_REF
1035 (legitimate_pic_operand_p): Test SYMBOL_REF_TLS_MODEL directly.
1036 (legitimate_pic_address_disp_p): Reorg CONST checking to make
1037 sure SYMBOL_REF_TLS_MODEL is tested. Test SYMBOL_REF_TLS_MODEL
1039 (print_operand_address): Likewise.
1040 * config/i386/predicates.md (x86_64_immediate_operand): Test
1041 SYMBOL_REF_TLS_MODEL properly inside CONST.
1042 (x86_64_zext_immediate_operand): Likewise.
1043 (global_dynamic_symbolic_operand, local_dynamic_symbolic_operand,
1044 initial_exec_symbolic_operand, local_exec_symbolic_operand): Remove.
1045 * config/i386/i386-protos.h: Remove predicates.md entries.
1047 2005-10-18 Danny Smith <dannysmith@users.sourceforge.net>
1049 * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
1050 Check that elements of TYPE_METHODS are FUNCTION_DECLs.
1052 2005-10-17 Alexey Starovoytov <alexey.starovoytov@sun.com>
1053 Ian Lance Taylor <ian@airs.com>
1056 * fold-const.c (fold_widened_comparison): Do not allow range based
1057 constant folding when right operand cannot be unwidened.
1059 2005-10-17 Richard Henderson <rth@redhat.com>
1061 * builtins.c (expand_builtin_synchronize): Build a new-style asm
1062 with a memory clobber.
1064 2005-10-17 James E Wilson <wilson@specifix.com>
1066 PR rtl-optimization/17356
1067 * cfgrtl.c (purge_dead_edges): Check for EDGE_ABNORMAL_CALL before
1068 checking for EDGE_EH.
1070 2005-10-17 Eric Botcazou <ebotcazou@libertysurf.fr>
1072 * config/sparc/sparc.c (function_arg_slotno): In 64-bit mode, align
1073 the slot on an even boundary for any type with 16-byte alignment.
1075 2005-10-17 Hans-Peter Nilsson <hp@axis.com>
1078 * md.texi (Modifiers) <%>: Clarify that % doesn't work
1079 after register allocation.
1081 2005-10-17 DJ Delorie <dj@redhat.com>
1083 * config/m32c/m32c.c (m32c_pushm_popm): Don't mark epilogue insns
1086 2005-10-17 Nathan Sidwell <nathan@codesourcery.com>
1089 * c-common.c (c_add_case_label): Revert my 2005-10-14 clearing of
1092 2005-10-17 Kaz Kojima <kkojima@gcc.gnu.org>
1094 * config/sh/sh.h (OPTIMIZATION_OPTIONS): Set flag_schedule_insns
1095 to 2 if it's already non-zero.
1096 (OVERRIDE_OPTIONS): Clear flag_schedule_insns if flag_exceptions
1097 is set and warn about it if flag_schedule_insns is 1.
1099 2005-10-17 Paul Woegerer <paul.woegerer@nsc.com>
1101 * config/crx/crx.md: Compare-and-branch instructions need to
1104 2005-10-17 Uros Bizjak <uros@kss-loka.si>
1107 * config/i386/i386.md (*pushdi2_rex64 splitter)
1108 (*movdi_1_rex64 splitter, *ashldi3_1 splitter)
1109 (*ashrdi3_1 splitter, *lshrdi3_1 splitter): Delay splitting after
1110 flow2 pass only when (optimize > 0 && flag_peephole2).
1112 2005-10-16 Andrew Pinski <pinskia@physics.uc.edu>
1115 * gcc.c (have_c): New static variable.
1117 (process_command): Remove declation of have_c.
1118 Set have_o to 1 when handling -o.
1119 (main): Add a fatel error if there are multiple
1120 files specified and -o and -c/-S is passed witout
1121 -combine or multiple languages.
1123 2005-10-16 Daniel Berlin <dberlin@dberlin.org>
1125 Fix PR tree-optimization/22444
1126 * tree-ssa-alias.c (compute_flow_insensitive_aliasing):
1127 Assert that we don't hit something with subvars.
1128 (setup_pointers_and_addressables): Don't add things with subvars,
1129 because we'll already process the subvars for aliasing purposes.
1131 2005-10-16 Hans-Peter Nilsson <hp@axis.com>
1134 * config/cris/cris.md ("*mov_side<mode>", "*mov_sidesisf")
1135 ("*mov_side<mode>_mem", "*mov_sidesisf_mem", "*clear_side<mode>")
1136 ("*ext_sideqihi", "*ext_side<mode>si", "*op_side<mode>")
1137 ("*op_swap_side<mode>", "*extopqihi_side", "*extop<mode>si_side")
1138 ("*extopqihi_swap_side", "*extop<mode>si_swap_side"): Have separate,
1139 swapped, alternatives for the R constraint.
1142 * builtins.c (get_builtin_sync_mode): Make unlimited
1143 mode_for_size request.
1145 2005-10-15 Richard Henderson <rth@redhat.com>
1147 * gimplify.c (gimplify_var_or_parm_decl): Split out from ...
1148 (gimplify_expr): ... here.
1149 (gimplify_compound_lval): Use it in initial scan loop. Allow
1150 fb_lvalue in base expression.
1152 2005-10-15 Richard Henderson <rth@redhat.com>
1155 * builtins.c (expand_builtin_trap): Export.
1156 * expr.h (expand_builtin_trap): Declare.
1157 * expr.c (expand_assignment): Emit a trap for integral offsets
1158 from registers that weren't reduced to bitpos.
1160 * tree-cfg.c (mark_array_ref_addressable_1): Remove.
1161 (mark_array_ref_addressable): Remove.
1162 * tree-flow.h (mark_array_ref_addressable): Remove.
1163 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Don't call it.
1165 2005-10-15 James E Wilson <wilson@specifix.com>
1168 * sched-deps.c (add_dependence_list): New arg UNCOND. Fix all callers.
1169 (add_dependence_list_and_free): Likewise.
1170 (sched_analyze_2, case MEM): Delete sched_insns_conditions_mutex_p
1173 2005-10-15 Diego Novillo <dnovillo@redhat.com>
1177 * tree-vrp.c (vrp_meet): Fix the intersection of equivalence
1178 sets VR0->EQUIV and VR1->EQUIV when meeting a range and an
1180 (vrp_visit_phi_node): Only prevent infinite iterations when
1181 the previous result and the new result are both VR_RANGEs.
1183 2005-10-15 Ranjit Mathew <rmathew@gcc.gnu.org>
1185 * tree-into-ssa.c (mark_def_sites): Correct minor typo in
1188 2005-10-14 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1191 * c-parser.c (c_parser_for_statement): Use location of RID_FOR
1194 2005-10-14 Per Bothner <per@bothner.com>
1196 PR preprocessor/21250
1197 * c-ppoutput.c (print_line): Print internal line 0 as 1.
1199 2005-10-14 Nathan Sidwell <nathan@codesourcery.com>
1202 * c-common.c (c_add_case_label): Clear LOW_VALUE and HIGH_VALUE's
1203 overflow flags. Refactor some conditionals.
1205 2005-10-13 Andrew Pinski <pinskia@physics.uc.edu>
1208 * tree-dfa.c (add_referenced_var): Only look at decls which
1209 have TREE_CONSTANT or TREE_READONLY set instead of if
1210 !TREE_PUBLIC or !TREE_CONSTANT.
1212 2005-10-13 James E Wilson <wilson@specifix.com>
1214 * doc/invoke.texi: For -x, add f95-cpp-input.
1215 * doc/install.texi: For --enable-languages doc, change f95 to fortran.
1217 2005-10-12 Sebastian Pop <pop@cri.ensmp.fr>
1219 PR tree-optimization/24262
1220 * tree-data-ref.c (analyze_offset_expr): Check that init is invariant
1221 in loop all the time.
1223 2005-10-12 Richard Henderson <rth@redhat.com>
1226 * tree.h (DECL_TRANSPARENT_UNION): Remove.
1227 * function.c (assign_parm_find_data_types): Don't support it.
1228 * print-tree.c (print_node): Likewise.
1229 * c-common.c (handle_transparent_union_attribute): Likewise.
1230 Use build_duplicate_type.
1231 * tree-inline.c (remap_type_1): Split out of remap_type;
1232 properly remap aggregate fields.
1233 (build_duplicate_type): New.
1234 * doc/extend.texi (Variable Attributes): Remove documentation
1235 for transparent_union.
1237 2005-10-12 Eric Botcazou <ebotcazou@libertysurf.fr>
1240 * config/sparc/sparc.c (gen_stack_pointer_inc): Build by hand.
1241 (gen_stack_pointer_dec): Likewise.
1243 2005-10-12 Danny Smith <dannysmith@users.sourceforge.net>
1247 * target.h (struct gcc_target): Add valid_dllimport_attribute_p
1249 (struct cxx): Add adjust_class_at_definition target hook.
1250 * target-def.h: (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): New define,
1251 defaulting to hook_bool_tree_true. Add to TARGET_INITIALIZER
1252 (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): New define, defaulting to
1253 hook_void_tree. Add to TARGET_CXX.
1254 * tree.h (struct decl_with_vis): Rename non_addr_const_p field to
1256 (DECL_NON_ADDR_CONSTANT_P): Replace with DECL_DLLIMPORT_P macro.
1257 * tree.c (merge_dllimport_decl_attributes): Check DECL_DLLIMPORT_P
1258 instead of attribute. Check for dllexport override. Warn if
1259 inconsistent dll linkage. Don't lose old dllimport if decl has
1260 had address referenced. Tweak lookup of dllimport atribute.
1261 (handle_dll_attribute): Check targetm.valid_dllimport_attribute_p
1262 for target specific rules. Don't add dllimport attribute if
1263 DECL_DECLARED_INLINE_P. Set DECL_DLLIMPORT_P when adding
1264 dllimport attribute.
1265 (staticp): Replace DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P.
1266 * varasm.c (initializer_constant_valid_p): Replace
1267 DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P
1271 * config.gcc (i[34567]86-*-cygwin*): Add winnt-cxx.o to
1272 'cxx_target_objs', winnt-stubs,o to 'extra_objs'.
1273 (i[34567]86-*-mingw32*): Likewise.
1275 * doc/tm.texi (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Document.
1276 (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Document.
1278 * config/i386/winnt.c (i386_pe_dllimport_p): Factor out
1279 C++-specific code. Change return value to bool.
1280 (i386_pe_dllimport_p): Likewise.
1281 (associated_type): Simplify and make language-independent
1282 (i386_pe_encode_section_info): Replace override of ambiguous
1283 dllimport symbol refs with a gcc_assert.
1284 (i386_pe_valid_dllimport_attribute_p): Define.
1285 * config/i386/winnt-cxx.c: New file. Define C++ versions of
1286 i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
1287 i386_pe_adjust_class_at_definition.
1288 * config/i386/winnt-stubs.c: New file. Define stub versions of
1289 lang-specific functions.
1290 * config/i386/i386-protos.h: Declare winnt-[cxx|stubs].c functions
1291 i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
1292 i386_pe_adjust_class_at_definition.
1293 (i386_pe_valid_dllimport_attribute_p): Declare.
1294 * config/i386/cygming.h (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Define.
1295 (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Define.
1296 * config/i386/t-cygming: Add rules for winnt-cxx.o, winnt-stubs.o.
1299 * config/i386/i386.c (ix86_function_ok_for_sibcall): Replace test for
1300 dllimport attribute with test of DECL_DLLIMPORT_P.
1302 2005-10-12 Adrian Straetling <straetling@de.ibm.com>
1304 * combine.c (make_extraction): Correct offset computation.
1306 2005-10-12 Hans-Peter Nilsson <hp@axis.com>
1308 * config/cris/t-linux (LIMITS_H_TEST): Define.
1310 2005-10-12 Richard Henderson <rth@redhat.com>
1313 * cfgexpand.c (add_alias_set_conflicts): Use objects_must_conflict_p.
1315 2005-10-12 Richard Guenther <rguenther@suse.de>
1317 * Makefile.in (CGRAPH_H): Depend on $(TREE_H).
1319 2005-10-12 Nathan Sidwell <nathan@codesourcery.com>
1322 * stor-layout.c (place_field): Set DECL_FIELD_OFFSET and
1323 DECL_FIELD_BIT_OFFSET of FIELD_DECLs, even if they have an invalid
1326 2005-10-12 Richard Guenther <rguenther@suse.de>
1329 * varasm.c (output_constant): Correct typo from previous
1332 2005-10-11 Ian Lance Taylor <ian@airs.com>
1334 PR rtl-optimization/13931
1335 * combine.c: Revert patch of 2003-05-14, and:
1336 (try_combine): Only set elim_i1 and elim_i2 if the destination is
1337 completely killed in the appropriate insn.
1338 (distribute_notes): Don't skip multiple hard register test for
1339 elim_i1 and elim_i2.
1341 2005-10-11 Richard Henderson <rth@redhat.com>
1344 * c-typeck.c (convert_for_assignment): Use build_constructor_single
1345 to initialize a transparent union instead of a nop_expr.
1347 2005-10-11 Richard Henderson <rth@redhat.com>
1349 * Makefile.in (tree-ssa-dce.o): Depend on SCEV_H.
1350 * tree-ssa-dce.c: Include tree-scalar-evolution.h.
1351 (tree_ssa_dce_loop): Call scev_reset.
1354 * Makefile.in (tree-ssa-dce.o): Depend on CFGLOOP_H.
1355 * tree-ssa-dce.c: Include cfgloop.h.
1356 (tree_ssa_dce_loop, pass_dce_loop): New.
1357 * tree-pass.h (pass_dce_loop): Declare it.
1358 * passes.c (init_optimization_passes): Use it.
1360 2005-10-11 Eric Botcazou <ebotcazou@libertysurf.fr>
1363 * convert.c (convert_to_real): Revert 2005-10-05 patch.
1364 Only apply the optimization for rounding builtins if the inner
1365 cast is also an extension.
1367 2005-10-11 Andrew Pinski <pinskia@physics.uc.edu>
1370 * tree-ssa-ccp.c (execute_fold_all_builtins): Call
1371 mark_new_vars_to_rename instead of update_stmt.
1373 2005-10-11 Bernd Schmidt <bernd.schmidt@analog.com>
1375 * config/bfin/crti.s (__init, __fini): Renamed from _init, _fini.
1377 2005-10-11 Jakub Jelinek <jakub@redhat.com>
1379 * config/i386/i386.md (movsi_1, movdi_1_rex64): Use mmxadd type
1380 for setting MMX register to 0 rather than mmx.
1382 2005-10-10 Steve Ellcey <sje@cup.hp.com>
1385 * configure.ac: Move gas check from mips specific case to common case.
1386 Do check for GNU as for mips*-*-* and *-*-hpux* targets.
1387 * configure: Regenerate
1388 * doc/install.texi: Update.
1390 2005-10-10 Eric Botcazou <ebotcazou@libertysurf.fr>
1393 * config/sparc/sparc.c (sparc_expand_prologue): Remove bogus PATTERN.
1395 2005-10-10 Maciej W. Rozycki <macro@linux-mips.org>
1397 * gcc.c (do_spec_1): Accept numeric characters in file name
1400 2005-10-10 Nick Clifton <nickc@redhat.com>
1402 * config/arm/arm.c: Remove extraneous whitespace. Remove comment
1403 describing the deleted arm_gen_rotated_half_load function.
1405 2005-10-09 Kaz Kojima <kkojima@gcc.gnu.org>
1407 * config/sh/sh.c (emit_fpu_switch): Set TREE_PUBLIC for
1410 2005-10-09 Daniel Jacobowitz <dan@codesourcery.com>
1412 * config.gcc (arm*-*-linux*): Remove redundant extra_parts and
1414 * config/arm/t-linux-eabi (LIB1ASMFUNCS)
1415 (EXTRA_MULTILIB_PARTS): Define.
1416 * config/arm/linux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
1417 (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
1418 (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): Move to...
1419 * config/arm/uclinux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
1420 (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
1421 (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): ... here.
1423 2005-10-09 Zdenek Dvorak <dvorakz@suse.cz>
1425 PR tree-optimization/24226
1426 * tree-cfg.c (remove_bb): Clean up unreachable loops.
1427 * tree-flow.h (free_numbers_of_iterations_estimates_loop): Declare.
1428 * tree-ssa-loop-niter.c (free_numbers_of_iterations_estimates_loop):
1431 2005-10-09 Eric Botcazou <ebotcazou@libertysurf.fr>
1433 * config/sparc/gmon-sol2.c (internal_mcount): Mark as used.
1435 2005-10-08 Andrew Pinski <pinskia@physics.uc.edu>
1438 * config/rs6000/darwin.md (movdf_low_si): Remove early clobber.
1439 Rewrite for no need for the early clobber.
1441 2005-10-08 Kazu Hirata <kazu@codesourcery.com>
1443 Merge from csl-arm-branch:
1444 2005-09-07 Paul Brook <paul@codesourcery.com>
1445 * config/arm/linux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Prepend a
1448 2005-04-30 Paul Brook <paul@codesourcery.com>
1449 * config/arm/bpabi.h (TARGET_DEFAULT): Define.
1450 * config/arm/linux-eabi.h (SUBTARGET_CPU_DEFAULT): Define.
1452 2005-03-07 Daniel Jacobowitz <dan@codesourcery.com>
1453 * config/arm/arm.c (arm_all_abis): Add aapcs-linux.
1454 (arm_override_options): Use TARGET_AAPCS_BASED.
1455 * config/arm/arm.h (enum arm_abi_type): Add ARM_ABI_AAPCS_LINUX.
1456 (PTRDIFF_TYPE): Use int for AAPCS.
1457 (DEFAULT_SHORT_ENUMS): Use false for aapcs-linux.
1458 * config/arm/linux-eabi.h (ARM_DEFAULT_ABI, WCHAR_TYPE): Define.
1459 (DEFAULT_SHORT_ENUMS): Delete.
1460 * doc/invoke.texi (ARM Options): Document -mabi=aapcs-linux.
1462 2004-12-15 Daniel Jacobowitz <dan@codesourcery.com>
1463 * config/arm/arm.h (DEFAULT_SHORT_ENUMS): Wrap in #ifndef.
1464 * config/arm/linux-eabi.h (DEFAULT_SHORT_ENUMS): Define to 0.
1465 * config/arm/t-linux-eabi (TARGET_LIBGCC2_CFLAGS): Set to -fPIC.
1467 2004-12-03 Mark Mitchell <mark@codesourcery.com>
1468 * config/arm/linux-eabi.h (LIBGCC_SPEC): Do not define.
1470 2004-11-22 Mark Mitchell <mark@codesourcery.com>
1471 * config.gcc (arm*-*-linux-gnueabi): Use __cxa_atexit.
1473 2004-11-19 Mark Mitchell <mark@codesourcery.com>
1474 * config.gcc (arm*-*-linux-gnueabi): Add it.
1475 * config/arm/bpabi.h (FPUTYPE_DEFAULT): Undefine it before
1477 (TARGET_OS_CPP_BUILTINS): Likeiwse.
1478 * config/arm/linux-eabi.h: New file.
1479 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): New macro.
1480 (LINUX_TARET_LINK_SPEC): Likewise.
1481 (LINK_SPEC): Use it.
1482 * config/arm/t-linux-eabi: New file.
1484 2005-10-08 Steven Bosscher <stevenb@suse.de>
1487 * params.def (PARAM_MAX_VARIABLE_EXPANSIONS): Remove superfluous
1489 (PARAM_SMS_DFA_HISTORY): Likewise.
1491 2005-10-08 Kazu Hirata <kazu@codesourcery.com>
1494 * calls.c (mem_overlaps_already_clobbered_arg_p): New.
1495 (load_register_parameters): Call it.
1496 (check_sibcall_argument_overlap_1): Likewise.
1497 (store_one_arg): Likewise.
1499 2005-10-07 James E. Wilson <wilson@specifix.com>
1501 * config/ia64/vect.md (ashl<mode>3, ashr<mode>3, lshr<mode>3): Use
1502 DImode not VECINT24 for operand 2.
1505 * doc/invoke.texi (IA-64 Options, item -mtune): Renamed from
1509 * config/ia64/ia64.md (movbi, movti_internal, gr_spill_internal,
1510 fr_spill): Use destination_operand for operand 0.
1512 2005-10-07 DJ Delorie <dj@redhat.com>
1514 * varasm.c (output_constant): Limit error to expanding
1517 2005-10-07 Richard Guenther <rguenther@suse.de>
1520 * fold-const.c (fold_binary): Fix operand types during folding
1521 of X op (A, Y). Evaluation order of the side-effects of
1522 X and A are frontend-defined, so ensure we honour that even for
1523 tcc_comparison class operands; eased by removing duplicate code.
1525 2005-10-07 Steve Ellcey <sje@cup.hp.com>
1527 * stor-layout.c (layout_type): Do not allow alignment of array
1528 elements to be greater than their size.
1530 2005-10-07 Steve Ellcey <sje@cup.hp.com>
1532 * config.host (hppa*-*-hpux*): Change out_host_hook_obj and
1534 (hppa*-*-linux*): Ditto.
1535 (ia64-*-hpux*): Add out_host_hook_obj and host_xmake_file.
1536 * config/host-hpux.c: New.
1537 * config/x-hpux: New.
1538 * config/pa/x-hpux: Remove.
1539 * config/pa/x-linux: Remove.
1540 * config/pa/pa-host.c: Remove.
1542 2005-10-07 Jeff Law <law@redhat.com>
1544 * tree-ssa-dom.c (dom_opt_finalize_block): Fix conditions to
1545 determine whether or not to try and thread outgoing edges.
1547 2005-10-07 David Edelsohn <edelsohn@gnu.org>
1549 * config/rs6000/rs6000.md (eqsi_power): New.
1550 (neg_eq0si): Add TARGET_POWER to final condition.
1553 2005-10-06 Richard Henderson <rth@redhat.com>
1555 * config/rs6000/rs6000.c: Revert last change.
1557 2005-10-06 Richard Henderson <rth@redhat.com>
1559 * config/rs6000/rs6000.c (rs6000_cannot_force_const_mem): New.
1560 (TARGET_CANNOT_FORCE_CONST_MEM): Use it.
1562 2005-10-06 Andrew Pinski <pinskia@physics.uc.edu>
1566 * cfgexpand.c (tree_expand_cfg): After expanding the functions, clear
1567 out return_label and naked_return_label.
1569 2005-10-06 Daniel Berlin <dberlin@dberlin.org>
1571 * tree-ssa-structalias.c (check_for_overlaps): Fix bug in last
1574 2005-10-06 Richard Henderson <rth@redhat.com>
1577 * tree-inline.c (declare_return_variable): Handle modify_dest not
1580 2005-10-06 Daniel Berlin <dberlin@dberlin.org>
1582 Fix PR tree-optimization/22488
1583 * tree-ssa-structalias.c (check_for_overlaps): New function.
1584 (create_variable_info_for): Use it.
1586 2005-10-06 Richard Henderson <rth@redhat.com>
1589 * dwarf2out.c (lookup_filename): Return the result of maybe_emit_file.
1590 (dwarf2out_start_source_file): Print it.
1592 2005-10-06 Geoffrey Keating <geoffk@apple.com>
1594 * config/t-slibgcc-darwin (SHLIB_MAPFILES): Use '+='.
1596 2005-10-06 Richard Henderson <rth@redhat.com>
1599 * mode-switching.c (optimize_mode_switching): Clear transp bit
1600 for block with incomming abnormal edges.
1602 * config/sh/sh.c (fpscr_values, emit_fpu_switch): New.
1603 (fpscr_set_from_mem): Use them.
1604 * config/sh/sh.md (fpu_switch0, fpu_switch1): Remove.
1605 (fpscr postinc splitters): Rewrite as peephole2+split.
1607 2005-10-06 David Edelsohn <edelsohn@gnu.org>
1609 * config/rs6000/rs6000.md (eq<mode>): Add !TARGET_POWER.
1610 (eq<mode>_compare): Same.
1612 2005-10-06 Richard Guenther <rguenther@suse.de>
1614 PR tree-optimization/24238
1615 * tree-ssa-alias.c (find_used_portions): Handle RESULT_DECL.
1617 2005-10-06 Daniel Jacobowitz <dan@codesourcery.com>
1619 * acinclude.m4 (gcc_AC_CHECK_TOOL): Handle environment variables
1620 here. Use AC_PATH_PROG for environment variables instead of
1622 * configure.ac: Update calls to gcc_AC_CHECK_TOOL. Use it for
1624 * configure: Regenerated.
1626 2005-10-06 Richard Earnshaw <richard.earnshaw@arm.com>
1629 * arm.md (call): If the address isn't a SYMBOL_REF or a register,
1630 then force it into a register.
1631 (call_value): Likewise.
1633 2005-10-06 Richard Henderson <rth@redhat.com>
1636 * passes.c (init_optimization_passes): Move pass_lower_vector_ssa
1637 under pass_vectorize. Clear TODO_ggc_collect from the dce pass
1638 under pass_vectorize.
1640 2005-10-05 Devang Patel <dpatel@apple.com>
1643 * dbxout.c (dbxout_symbol): Check DECL_RTL_SET_P, after
1644 handling constants. Check NAMESPACE_DECL context for constants.
1646 2005-10-05 Eric Christopher <echristo@apple.com>
1648 * doc/md.texi (Standard Names): Fix name of pushm1 pattern.
1650 2005-10-05 Richard Henderson <rth@redhat.com>
1653 * tree-cfg.c (mark_array_ref_addressable_1): New.
1654 (mark_array_ref_addressable): New.
1655 * tree-flow.h (mark_array_ref_addressable): Declare.
1656 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Use it.
1658 2005-10-05 Andrew Pinski <pinskia@physics.uc.edu>
1662 * reload.c (subst_reloads): When adding a REG_LABEL to a
1663 jump instruction, also update JUMP_LABEL.
1665 2005-10-05 David Edelsohn <edelsohn@gnu.org>
1667 * params.def (PARAM_MAX_GROW_COPY_BB_INSNS): New.
1668 * bb-reorder.c (copy_bb_p): Use it.
1669 * doc/invoke.texi (param table): Add max-grow-copy-bb-insn.
1671 2005-10-05 Richard Henderson <rth@redhat.com>
1674 * toplev.c (process_options): Warn about unsupported combinations
1675 of unwind tables and omit-frame-pointer.
1676 * config/i386/i386.c (override_options): Similarly. Enable
1677 accumulate-outgoing-args if not explicitly disabled.
1679 2005-10-05 Steve Ellcey <sje@cup.hp.com>
1681 * vect.md (vec_initv2si): Fix typo of V2SF to V2SI.
1682 Handle big endian vs. small endian.
1683 (vec_initv2sf): Handle big endian vs. small endian.
1684 (*vec_extractv2sf_1): Ditto.
1686 2005-10-05 Dale Johannesen <dalej@apple.com>
1688 * convert.c (convert_to_real): Don't convert
1689 (float)floor(double d) to floorf((float)d).
1691 2005-10-05 Daniel Jacobowitz <dan@codesourcery.com>
1693 * config/arm/arm.md (insv): Use gen_int_mode in more places.
1695 2005-10-05 Andrew MacLeod <amacleod@redhat.com>
1697 PR tree-optimization/18587
1698 * tree-ssa-operands.c (struct opbuild_list_d, OPBUILD_LAST): Delete.
1699 (build_defs, build_uses, build_v_may_defs, build_v_must_defs,
1700 build_vuses): Change to VEC type.
1701 (opbuild_initialize_virtual, opbuild_initialize_real, opbuild_free,
1702 opbuild_num_elems, opbuild_append_real, opbuild_append_virtual,
1703 opbuild_first, opbuild_next, opbuild_elem_real, opbuild_elem_virtual,
1704 opbuild_elem_uid, opbuild_clear, opbuild_remove_elem): Delete.
1705 (get_name_decl): New. Return DECL_UID of base variable.
1706 (operand_build_cmp): New. qsort comparison routine.
1707 (operand_build_sort_virtual): New. Sort virtual build vector.
1708 (init_ssa_operands, fini_ssa_operands): Use VEC routines.
1709 (FINALIZE_OPBUILD_BASE, FINALIZE_OPBUILD_ELEM): Use VEC_Index.
1710 (FINALIZE_BASE): Use get_name_decl.
1711 (finalize_ssa_defs, finalize_ssa_uses, cleanup_v_may_defs,
1712 finalize_ssa_v_may_defs, finalize_ssa_vuses, finalize_ssa_v_must_defs,
1713 (start_ssa_stmt_operands, append_def, append_use, append_vuse,
1714 append_v_may_def, append_v_must_def): Replace opbuild_* routines with
1715 direct VEC_* manipulations.
1716 (build_ssa_operands): Call operand_build_sort_virtual.
1717 (copy_virtual_operand, create_ssa_artficial_load_stmt,
1718 add_call_clobber_ops, add_call_read_ops): Replace opbuild_* routines
1719 with direct VEC_* manipulations.
1720 * tree-ssa-opfinalize.h (FINALIZE_FUNC): Replace opbuild_* routines
1721 with direct VEC manipulations.
1723 2005-10-05 Paolo Bonzini <bonzini@gnu.org>
1725 PR tree-optimization/21419
1726 PR tree-optimization/24146
1727 PR tree-optimization/24151
1729 * c-typeck.c (readonly_error): Handle USE being lv_asm.
1730 (build_asm_expr): Call it if outputs are read-only.
1731 * gimplify.c (gimplify_asm_expr): Remove former fix to PR 21419.
1733 2005-10-05 Billy Biggs <billy.biggs@gmail.com>
1734 Paolo Bonzini <bonzini@gnu.org>
1738 * doc/extend.texi (x86 Built-ins): Document that -msse and friends
1739 enable the instructions and not just the built-ins.
1740 * doc/invoke.texi (x86 Options): Likewise.
1742 2005-10-04 Geoffrey Keating <geoffk@apple.com>
1744 * config/i386/t-darwin (SHLIB_VERPFX): Fix typo.
1746 * doc/invoke.texi (Option Summary): Correct spelling
1747 of -mmacosx-version-min.
1749 2005-10-04 Devang Patel <dpatel@apple.com>
1751 * c-common.c (vector_types_convertible_p): Check TYPE_PRECISION for
1754 2005-10-04 Steve Ellcey <sje@cup.hp.com>
1756 * tree-vect-transform.c (vect_create_epilog_for_reduction):
1757 Use BYTES_BIG_ENDIAN instead of BITS_BIG_ENDIAN.
1759 2005-10-04 Adrian Straetling <straetling@de.ibm.com>
1761 * config/s390/s390.md ("TDSI","DP"): New mode macros.
1762 ("TE","tg"): New mode attributes.
1763 ("sync_compare_and_swap<mode>"): Replace with a define_expand.
1764 ("sync_compare_and_swap<mode>_cc"): Replace GPR with TDSI.
1765 ("*sync_compare_and_swap<mode>_cc"): Replace with one pattern for
1766 dword_mode and one for GPRmode.
1768 2005-10-04 Ian Lance Taylor <ian@airs.com>
1770 PR preprocessor/13726
1771 * c-ppoutput.c (cb_include): Add comments parameter, and print out
1772 any comments passed in.
1774 2005-10-04 Andrew Pinski <pinskia@physics.uc.edu>
1776 * tree.c (annotate_with_file_line): Fix typo.
1778 2005-10-04 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1781 * builtins.c (fold_builtin_memcmp): When constructing the pointer
1782 type used to access data in the inlined length == 1 case, use
1783 build_pointer_type_for_mode with CAN_ALIAS_ALL set to true.
1784 (fold_builtin_strcmp, fold_builtin_strncmp): Likewise.
1786 2005-10-04 Uros Bizjak <uros@kss-loka.si>
1788 * config/i386/i386.h (TARGET_FISTTP): Enable also for
1789 TARGET_SSE3 and only for TARGET_80387.
1790 * config/i386/i386.md (fix_trunc<mode>_fisttp_i387_1,
1791 (fix_trunc<mode>_i387_fisttp, fix_trunc<mode>_i387_fisttp_with_temp):
1792 Do not depend on TARGET_80387.
1794 2005-10-04 Andrew Pinski <pinskia@physics.uc.edu>
1796 * tree.c (last_annotated_node): Change type to location_t*.
1797 (annotate_with_file_line): Reflect the change of
1798 last_annotated_node type.
1800 2005-10-04 Richard Guenther <rguenther@suse.de>
1803 * c-decl.c (grokdeclarator): Don't write to fields
1806 2005-10-04 Andrew Pinski <pinskia@physics.uc.edu>
1809 * c-decl.c (finish_decl): Use set_user_assembler_name even for
1811 * varasm.c (make_decl_rtl): If a register variable does not
1812 have a set user assmbler name, error out.
1813 Decode the asmspec is now name+1 bypassing '*'.
1815 2005-10-04 Steven Bosscher <stevenb@suse.de>
1817 PR tree-optimization/23049
1818 * tree-ssa-dom.c (thread_across_edge): Make sure that the condition
1819 of a COND_EXPR is folded before calling fold on the whole rhs of a
1820 conditional assignment.
1821 * doc/tree-ssa.texi: Update the GIMPLE grammar for a valid rhs to
1822 document that a COND_EXPR may appear there.
1824 2005-10-03 Diego Novillo <dnovillo@redhat.com>
1827 * tree-vrp.c (extract_range_from_assert): If the new numeric
1828 range created out of the assertion contradicts the existing
1829 numeric range of the ASSERT_EXPR variable, make the new range
1832 2005-10-03 Kaz Kojima <kkojima@gcc.gnu.org>
1834 * config/sh/sh.c (sh_register_move_cost): Add case for moving
1835 from T_REGS to FP register class.
1837 2005-10-03 Richard Henderson <rth@redhat.com>
1840 * tree-nested.c (convert_nl_goto_reference): Lookup a translation
1841 before creating a new one.
1843 2005-10-03 David Edelsohn <edelsohn@gnu.org>
1845 * config/rs6000/t-aix43 (LDFLAGS): New.
1846 * config/rs6000/t-aix52 (LDFLAGS): New.
1848 2005-10-03 Ian Lance Taylor <ian@airs.com>
1850 * gimplify.c (find_single_pointer_decl_1): New static function.
1851 (find_single_pointer_decl): New static function.
1852 (internal_get_tmp_var): For a formal variable, set restrict base
1853 information if appropriate.
1854 * alias.c (find_base_decl): If a VAR_DECL has a restrict base,
1856 * tree.h (DECL_BASED_ON_RESTRICT_P): Define.
1857 (DECL_GET_RESTRICT_BASE): Define.
1858 (SET_DECL_RESTRICT_BASE): Define.
1859 (decl_restrict_base_lookup): Declare.
1860 (decl_restrict_base_insert): Declare.
1861 (struct tree_decl_with_vis): Add based_on_restrict_p field.
1862 * tree.c (restrict_base_for_decl): New static variable.
1863 (init_ttree): Initialize restrict_base_for_decl.
1864 (copy_node_stat): Copy restrict base information.
1865 (decl_restrict_base_lookup): New function.
1866 (decl_restrict_base_insert): New function.
1867 (print_restrict_base_statistics): New static function.
1868 (dump_tree_statistics): Call print_restrict_base_statistics.
1870 2005-10-02 Diego Novillo <dnovillo@redhat.com>
1873 * tree-vrp.c (vrp_meet): Fix call to range_includes_zero_p in
1874 case of anti-ranges.
1876 2005-10-02 Andrew Pinski <pinskia@physics.uc.edu>
1879 * c-typeck.c (tagged_tu_seen): Rename to ...
1880 (tagged_tu_seen_cache): this and add val field.
1881 (comptypes): Move functional to comptypes_internal
1882 and free tagged_tu_seen.
1883 (comptypes_internal): New function and call comptypes_internal
1884 instead of comptypes. Speed up by sibcalling
1885 tagged_types_tu_compatible_p.
1886 (alloc_tagged_tu_seen): New function
1887 (free_all_tagged_tu_seen_up_to): New function.
1888 (tagged_types_tu_compatible_p): Return the val of the seen two
1890 Add that the two types are the same to tagged_tu_seen_base
1891 if they are and call comptypes_internal instead of comptypes.
1892 <case UNION_TYPE>: Speed up common type where the fields are
1894 (function_types_compatible_p): Call comptypes_internal instead of
1896 (type_lists_compatible_p): Likewise.
1897 (all functions): s/tagged_tu_seen/tagged_tu_seen_cache/.
1899 2005-10-02 Matthias Klose <doko@debian.org>
1901 * doc/invoke.texi: Fix typo and speling error.
1903 2005-10-01 Richard Henderson <rth@redhat.com>
1905 * tree-stdarg.c (execute_optimize_stdarg): Process PHI nodes too.
1907 2005-10-01 Mark Mitchell <mark@codesourcery.com>
1909 * config/arm/unknown-elf.h (LINK_GCC_C_SEQUENCE_SPEC): Define
1910 using --start-group and --end-group.
1912 2005-10-01 Diego Novillo <dnovillo@redhat.com>
1914 * tree-vrp.c (value_inside_range, range_includes_zero_p): Add
1915 FIXME note regarding quirky semantics.
1917 2005-10-01 Diego Novillo <dnovillo@redhat.com>
1920 * tree-vrp.c (vrp_meet): Clear VR0->EQUIV when building a
1921 non-null range as a last resort.
1923 2005-10-01 James A. Morrison <phython@gcc.gnu.org>
1924 Diego Novillo <dnovillo@redhat.com>
1927 * tree-vrp.c (extract_range_from_assert): For !=
1928 assertions, only build an anti-range if LIMIT is a
1929 single-valued range.
1931 2005-09-30 Richard Earnshaw <richard.earnshaw@arm.com>
1933 * arm.md (movqi): On thumb when optimizing, handle loading from
1934 memory by describing this as taking a subreg of a zero-extended load
1935 into an SImode register.
1938 2005-09-30 Daniel Jacobowitz <dan@codesourcery.com>
1940 * reload1.c (merge_assigned_reloads): Do not change any
1941 RELOAD_FOR_OUTPUT_ADDRESS reloads.
1943 2005-09-30 Geoffrey Keating <geoffk@apple.com>
1945 * Makefile.in (LIPO_FOR_TARGET): Define.
1946 (STRIP_FOR_TARGET): Define.
1948 * config/t-slibgcc-darwin (libgcc_s_%.dylib): Remove old symlinks
1949 before creating new ones. Do symlinks before creating the actual
1952 * config/t-slibgcc-darwin (libgcc_s_%.dylib): Use --print-multi-lib
1953 to work out which multilibs are actually being built.
1955 2005-09-30 Kazu Hirata <kazu@codesourcery.com>
1957 * tree-vect-transform.c, config/ms1/ms1.md,
1958 config/s390/s390.c, config/v850/v850.md: Fix comment typos.
1959 Follow spelling conventions.
1960 * doc/invoke.texi, doc/md.texi: Fix typos.
1962 2005-09-30 Andrew Macleod <amacleod@redat.com>
1964 PR tree-optimization/21430
1965 * tree-ssa-operands.c (set_virtual_use_link): New. Link new virtual
1966 use operands, and set stmt pointer if need be.
1967 (FINALIZE_CORRECT_USE: New. Macro to call appropriate use fixup routine.
1968 tree-ssa-opfinalize.h (FINALIZE_FUNC): Call FINALIZE_CORRECT_USE if
1971 2005-09-29 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1974 * stor-layout.c (set_sizetype): Set TYPE_MAIN_VARIANT of bitsizetype.
1976 2005-09-29 Mark Mitchell <mark@codesourcery.com>
1978 * optabs.c (expand_binop): Initialize first_pass_p.
1980 2005-09-29 Jakub Jelinek <jakub@redhat.com>
1983 * c-decl.c (c_write_global_declarations_1): If any
1984 wrapup_global_declaration_2 call returned true, restart the loop.
1986 2005-09-29 Daniel Berlin <dberlin@dberlin.org>
1988 Fix PR tree-optimization/24117
1989 * tree-ssa-structalias.c (find_func_aliases): Strip nops
1990 before considering whether to use anyoffset.
1992 2005-09-29 Paolo Bonzini <bonzini@gnu.org>
1996 2005-09-15 Paolo Bonzini <bonzini@gnu.org>
1998 * optabs.c (expand_binop): Use swap_commutative_operands_with_target
2000 (swap_commutative_operands_with_target): New.
2002 2005-09-29 Paolo Bonzini <bonzini@gnu.org>
2005 * gimplify.c (gimplify_asm_expr): Raise an error if an output is
2008 2005-09-29 Steven Bosscher <stevenb@suse.de>
2010 PR tree-optimization/23911
2011 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle REALPART_EXPR
2012 and IMAGPART_EXPR too.
2014 2005-09-28 Mark Mitchell <mark@codesourcery.com>
2017 * expmed.c (expand_shift): Move logic to reverse rotation
2018 direction when rotating by constants ...
2019 * optabs.c (expand_binop): ... here.
2020 * config/i386/i386.md (rotrdi3): Handle 32-bit mode.
2021 (ix86_rotrdi3): New pattern.
2022 (rotldi3): Handle 32-bit mode.
2023 (ix86_rotldi3): New pattern.
2025 2005-09-29 Alan Modra <amodra@bigpond.net.au>
2028 * config/rs6000/rs6000.md (floatdisf2_internal2): Correct range
2029 check for numbers that need no bit twiddle.
2031 2005-09-28 Geoffrey Keating <geoffk@apple.com>
2033 * config/rs6000/t-darwin8: Uncomment contents, allow -m64
2034 multilib to be built.
2036 * Makefile.in: Export LIPO_FOR_TARGET, STRIP_FOR_TARGET.
2037 (stage1-start): Delete old libgcc and libunwind before moving
2038 anything into the stage directory.
2039 (stage2-start): Likewise.
2040 (stage3-start): Likewise.
2041 (stage4-start): Likewise.
2042 (stageprofile-start): Likewise.
2043 (stagefeedback-start): Likewise.
2044 * config.gcc (*-*-darwin*): Automatically use CPU-specific darwin.h
2045 header in tm_file and CPU-specific t-darwin in tmake_file.
2046 (i[34567]86-*-darwin*): Don't change tm_file.
2047 (powerpc-*-darwin*): Don't change tm_file or tmake_file.
2048 * config/darwin.h (REAL_LIBGCC_SPEC): Rewrite to use proper libgcc
2049 shared library stub for target OS version.
2050 * config/t-slibgcc-darwin (SHLIB_SOLINK): Delete.
2051 (SHLIB_LINK): Don't make SHLIB_SOLINK.
2052 (SHLIB_INSTALL): Don't install SHLIB_SOLINK.
2053 (libgcc_s.%.dylib): New.
2055 (install-darwin-libgcc-stubs): New.
2056 (INSTALL_LIBGCC): New append.
2057 * config/i386/darwin-libgcc.10.4.ver: New.
2058 * config/i386/darwin-libgcc.10.5.ver: New.
2059 * config/i386/t-darwin: New.
2060 * config/rs6000/darwin-libgcc.10.4.ver: New.
2061 * config/rs6000/darwin-libgcc.10.5.ver: New.
2062 * config/rs6000/darwin.h (REAL_LIBGCC_SPEC): Delete.
2063 * config/rs6000/t-darwin (SHLIB_VERPFX): Define.
2065 2005-09-28 Paul Brook <paul@codesourcery.com>
2067 * config/m68k/fpgnulib.c (__extendsfdf2, __truncdfsf2): Handle
2070 2005-09-28 Richard Guenther <rguenther@suse.de>
2072 PR tree-optimization/23853
2073 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Use
2074 host_integerp to verify misalignment value.
2076 2005-09-28 Richard Henderson <rth@redhat.com>
2078 * builtins.c (get_builtin_sync_mode): New.
2079 (expand_builtin_sync_operation): Pass in mode argument.
2080 (expand_builtin_compare_and_swap): Likewise.
2081 (expand_builtin_lock_test_and_set): Likewise.
2082 (expand_builtin_lock_release): Likewise.
2083 (expand_builtin): Update to match.
2085 2005-09-28 Nick Clifton <nickc@redhat.com>
2087 * config/v850/v850.h (GO_IF_LEGITIMATE_ADDRESS): Tidy up
2088 formatting. Add check to PLUS case to ensure that the offset is
2089 within an acceptable range.
2091 * config/v850/v850.md (casesi): Disable the generation of the
2092 switch pattern as it is not being handled properly at the moment.
2094 * config/v850/lib1funcs.asm (___ucmpdi2): Correct jump instruction
2095 for when the high words are identical.
2097 2005-09-27 Richard Henderson <rth@redhat.com>
2099 * pretty-print.c (pp_base_format): Fix typo for %>.
2101 2005-09-27 Daniel Berlin <dberlin@dberlin.org>
2102 Devang Patel <dpatel@apple.com>
2104 PR tree-optimization/23625
2105 * tree-flow-inline.h (bsi_after_labels): Remove, first statement is
2106 LABEL_EXPR, assertion check.
2108 2005-09-27 J"orn Rennecke <joern.rennecke@st.com>
2110 * optabs.c (no_conflict_move_test): Check if a result of a
2111 to-be-moved insn would be clobbered by an originally
2114 2005-09-27 Jeff Law <law@redhat.com>
2116 * passes.c (init_optimization_passes): Replace copy propagation
2117 passes immediately after DOM with phi-only copy propagation
2118 pases. Add phi-only copy propagation pass after first DOM pass.
2119 * tree-pass.h (pass_phi_only_copy_prop): Declare.
2120 * tree-ssa-copy.c (init_copy_prop): Accept new PHI_ONLY argument.
2121 If true, then mark all non-control statements with DONT_SIMULATE_AGAIN.
2122 (execute_copy_prop): Accept new PHI_ONLY argument. Pass it along
2123 to init_copy_prop. Callers updated.
2124 (do_phi_only_copy_prop): New function.
2125 (pass_phi_only_copy_prop): New pass descriptor.
2127 2005-09-27 Nick Clifton <nickc@redhat.com>
2129 * libgcc2.c (__popcount_tab): Remove redundant prototype.
2131 2005-09-26 Jason Merrill <jason@redhat.com>
2134 * c-common.c (finish_fname_decls): Use append_to_statement_list_force.
2136 * doc/invoke.texi: Clarify documentation of -fno-enforce-eh-specs.
2138 2005-09-26 James E Wilson <wilson@specifix.com>
2140 * config/ia64/crtbegin.asm, config/ia64/crtend.asm: Remove glibc
2141 copyright. Add gcc copyright plus libgcc exception.
2142 * config/ia64/crtfastmath.asm: Remove glibc copyright. Add gcc
2144 * config/ia64/lib1funcs.asm: Add gcc copyright plus libgcc exception.
2146 2005-09-26 Jeff Law <law@redhat.com>
2148 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Be more selective
2149 about when to iterate.
2151 2005-09-23 Fariborz Jahanian <fjahanian@apple.com>
2154 * config/rs6000/rs6000.c (rs6000_function_value): Parallel pattern
2155 for __complex__ double in -mcpu=G5 mode.
2157 2005-09-26 Sebastian Pop <pop@cri.ensmp.fr>
2159 PR tree-optimization/23942
2160 * Makefile.in (SCEV_H): Depends on PARAMS_H.
2161 * tree-scalar-evolution.c: Include params.h.
2163 (follow_ssa_edge, follow_ssa_edge_in_rhs,
2164 follow_ssa_edge_in_condition_phi_branch,
2165 follow_ssa_edge_in_condition_phi, follow_ssa_edge_inner_loop_phi):
2166 Change return type to t_bool. Use a parameter to limit the size of
2167 trees that are walked before stopping
2168 (analyze_evolution_in_loop): Initialize the limit to 0.
2169 (follow_ssa_edge): Give up by returning t_dont_know if the limit
2170 exceeds PARAM_SCEV_MAX_EXPR_SIZE.
2172 2005-09-26 Uros Bizjak <uros@kss-loka.si>
2175 * simplify-rtx.c (simplify_immed_subreg) [MODE_INT]: Skip
2176 simplification if elem_bitsize > 2 * HOST_BITS_PER_WIDE_INT.
2178 2005-09-26 Fariborz Jahanian <fjahanian@apple.com>
2180 * combine.c (make_extraction): Check for valid use of subreg.
2182 2005-09-26 Uros Bizjak <uros@kss-loka.si>
2185 * config/i386/i386.md ("*fistdi2_1"): New pattern.
2186 ("*fist<mode>2_1"): Use only HImode and SImode register operands.
2187 ("fist<mode>2_with_temp"): Use only register operands.
2189 2005-09-26 J"orn Rennecke <joern.rennecke@st.com>
2191 * rtlanal.c (reg_used_between_p): Don't check for CLOBBERs in
2192 CALL_INSN_FUNCTION_USAGE.
2194 2005-09-26 Richard Guenther <rguenther@suse.de>
2197 * gcse.c: Include hashtab.h, define ldst entry hashtable.
2198 (pre_ldst_expr_hash, pre_ldst_expr_eq): New functions.
2199 (ldst_entry): Use the hashtable instead of list-walking.
2200 (find_rtx_in_ldst): Likewise.
2201 (free_ldst_entry): Free the hashtable.
2202 (compute_ld_motion_mems): Create the hashtable.
2203 (trim_ld_motion_mems): Remove entry from hashtable if
2204 removing it from list.
2205 (compute_store_table): Likewise^2.
2206 (store_motion): Free hashtable in case we did not see
2209 2005-09-25 Kazu Hirata <kazu@codesourcery.com>
2211 * fold-const.c (fold_binary): Use op0 and op1 instead of arg0
2212 and arg1 if we are passing them to fold_build2.
2214 2005-09-25 Dan Nicolaescu <dann@ics.uci.edu>
2217 * config/i386/i386.c (ix86_function_regparm): Fix the test for
2220 2005-09-25 Richard Henderson <rth@redhat.com>
2222 * config/alpha/alpha.c (tls_symbolic_operand_1): Trust
2223 SYMBOL_REF_TLS_MODEL to be correct.
2225 2005-09-24 Richard Henderson <rth@redhat.com>
2227 * ipa-type-escape.c (discover_unique_type): Remove dead code at
2228 end of function. Reindent.
2230 2005-09-24 Ian Lance Taylor <ian@airs.com>
2232 * convert.c (convert_to_integer): Don't test for ENUMERAL_TYPE in
2233 NEGATE_EXPR/BIT_NOT_EXPR case.
2235 2005-09-24 Richard Henderson <rth@redhat.com>
2237 * c-common.c (handle_mode_attribute): When not modifying in place,
2238 create subtypes for enumerations.
2239 (sync_resolve_return): Use TYPE_MAIN_VARIANT.
2240 * gimplify.c (create_tmp_from_val): Likewise.
2242 2005-09-24 Alexandre Oliva <aoliva@redhat.com>
2244 * config/i386/i386.md (*tls_global_dynamic_64,
2245 *tls_local_dynamic_base_64): Add missing mode to call.
2246 (tls_global_dynamic_64, tls_local_dynamic_base_64): Likewise.
2248 2005-09-24 Jan Hubicka <jh@suse.cz>
2250 * cgraph.c (cgraph_clone_edge): Make the scale gcov_type.
2251 (cgraph_clone_node): Likewise.
2252 * cgraph.h (cgraph_clone_edge): Update prototype.
2253 (cgraph_mark_inline_edge, cgraph_clone_inlined_nodes): Remove
2254 duplicated prototypes; add updating argument.
2255 * cgraphunit.c (verify_cgraph_node): Verify that counts are non-negative.
2256 * ipa-inline.c (cgraph_clone_inlined_nodes): Allow clonning without
2258 (cgraph_mark_inline_edge): Likewise.
2259 (cgraph_mark_inline): Update use of cgraph_mark_inline_edge.
2260 (cgraph_flatten_node): Likewise.
2261 (cgraph_decide_recursive_inlining): Likewise.
2262 (cgraph_decide_inlining_of_small_function): Likewise.
2263 * tree-optimize.c (tree_rest_of_compilation): Likewise.
2265 2005-09-23 David Edelsohn <edelsohn@gnu.org>
2266 Pete Steinmetz <steinmtz@us.ibm.com>
2268 * config/rs6000/rs6000.md (neg-minus-mult): Set type to dmul.
2269 (rldic.): Set type to "compare".
2271 (movsf_hardfloat): Set type to mtjmpr for MTCTR/MTLR. Set type to
2272 mfjmpr for MFCTR/MFLR.
2273 (movdf_hardfloat64): Same.
2274 (movdf_softfloat64): Same. Correct order of store and move types.
2275 (movti_string): Set type to store_ux/load_ux.
2276 (load_multiple): Set type to load_ux.
2277 (store_multiple): Set type to store_ux.
2278 (movmemsi): Set type to store_ux.
2279 (output_cbranch direct_return): Set type to jmpreg.
2280 (stmw): Set type to store_ux.
2281 (lmw): Set type to load_ux.
2282 * config/rs6000/40x.md (ppc403-store): Increase latency to 2.
2283 * config/rs6000/440.md (ppc440-store): Increase latency to 6.
2284 * config/rs6000/603.md (ppc603-store): Occupy LSU for 2 cycles.
2285 * config/rs6000/6xx.md (ppc604-store): Increase latency to 3.
2286 * config/rs6000/mpc.md (mpccore-store): Increase latency to 2.
2287 * config/rs6000/rios1.md (rios1-store): Increase latency to 2.
2288 (rios1-fpstore): Increase latency to 3.
2289 * config/rs6000/rios2.md (rios2-store): Increase latency to 2.
2290 * config/rs6000/rs64.md (rs64a-store): Increase latency to 2.
2292 2005-09-23 David Edelsohn <edelsohn@gnu.org>
2293 Andrew Pinski <pinskia@physics.uc.edu>
2295 * config/rs6000/sync.md (sync_<fetchop_name>si_internal): Change
2296 operand2 constraint to "b".
2297 (sync_<fetchop_name>di_internal): Same.
2298 (sync_old_<fetchop_name>si_internal): Change operand3 constraint
2300 (sync_old_<fetchop_name>di_internal): Same.
2301 (sync_new_<fetchop_name>si_internal): Same.
2302 (sync_new_<fetchop_name>di_internal): Same.
2304 2005-09-23 J"orn Rennecke <joern.rennecke@st.com>
2307 * final.c (insn_default_length, insn_min_length): In !HAVE_ATTR_length
2308 case, define as macros.
2310 PR rtl-optimization/23837
2311 * optabs.c (no_conflict_move_test): Don't set must_stay for a
2312 clobber / clobber match between dest and p->first.
2314 * optabs.c (emit_libcall_block): Use no_conflict_move_test.
2315 (no_conflict_move_test): Update comments.
2317 2005-09-22 Ranjit Mathew <rmathew@gcc.gnu.org>
2319 * doc/install.texi: Update URL for Jacks.
2320 * doc/sourcebuild.texi: Likewise.
2322 2005-09-22 David Edelsohn <edelsohn@gnu.org>
2325 * config/rs6000/rs6000.md (movsf_hardfloat): Ignore special
2326 registers when choosing register preferences.
2327 (movdf_hardfloat64): Same.
2329 2005-09-22 Andreas Krebbel <krebbel1@de.ibm.com>
2331 * expmed.c (expand_shift): Don't use the target of the rotate as
2332 target for the first expanded shift insn.
2333 * testsuite/gcc.dg/20050922-1.c: Testcase added.
2335 2005-09-21 Zdenek Dvorak <dvorakz@suse.cz>
2337 PR tree-optimization/22438
2338 * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Handle all
2339 preserved iv rhs rewriting specially.
2341 2005-09-21 Daniel Berlin <dberlin@dberlin.org>
2343 * tree-data-ref.c (analyze_array_indexes): Only estimate when
2344 estimate_only is true.
2345 * tree-flow.h (ref_contains_indirect_ref): New prototype.
2346 * tree-flow-inline.h (ref_contains_indirect_ref): Moved from
2347 tree-ssa-structalias.c
2348 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Use
2349 ref_contains_indirect_ref.
2350 * tree-ssa-structalias.c (ref_contains_indirect_ref): Moved.
2352 2005-09-21 DJ Delorie <dj@redhat.com>
2354 * config/mn10300/mn10300.c (TARGET_DEFAULT_TARGET_FLAGS): Add
2356 (mn10300_return_in_memory): Support variable size types also.
2357 (mn10300_pass_by_reference): Likewise.
2358 (mn10300_function_value): New.
2359 * config/mn10300/mn10300.h (FUNCTION_VALUE): Call the above.
2360 (FUNCTION_OUTGOING_VALUE): Likewise.
2361 * config/mn10300/mn10300.opt: Add -mreturn-pointer-on-d0.
2362 * doc/invoke.texi: Document it.
2364 2005-09-21 Uros Bizjak <uros@kss-loka.si>
2367 * config/i386/i386.c (ix86_prepare_fp_compare_args): Do not
2368 force integer op1 into register for XFmode compares.
2370 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
2373 * expmed.c (alg_code): Add alg_impossible.
2374 (alg_hash_entry): Add cost.
2375 (synth_mult): Record alg_impossible in the hash table if
2376 multiplication by a given integer is impossble within the
2377 limit. Speed up using alg_impossible.
2379 2005-09-20 Daniel Berlin <dberlin@dberlin.org>
2381 * tree-ssa-structalias.c (get_constraint_for_component_ref): Add
2382 argument. Allow and set any offset if needs_anyoffset is passed
2384 (get_constraint_for): Add argument here too.
2386 (do_structure_copy): Pass NULL to get_constraint_for.
2387 (handle_ptr_arith): Ditto.
2388 (find_func_aliases): Ditto.
2390 2005-09-20 J"orn Rennecke <joern.rennecke@st.com>
2392 PR rtl-optimization/23898
2393 * output.h (get_attr_min_length): Declare.
2394 * final.c (get_attr_length_1): New function, broken out of:
2396 (get_attr_min_length): New function.
2397 * bb-reorder.c (copy_bb_p, get_uncond_jump_length): Use it.
2398 (duplicate_computed_gotos): Likewise.
2399 * genattr.c (insn_min_length): Generate declaration.
2400 * genattrtab.c (min_fn, min_attr_value): New functions.
2401 (make_length_attrs): Generate insn_min_length.
2403 2005-09-20 Steve Ellcey <sje@cup.hp.com>
2405 * config/pa/pa.c (output_cbranch): Check for zero in operands[2].
2407 2005-09-20 Richard Henderson <rth@redhat.com>
2409 PR tree-optimization/24059
2410 * expr.c (expand_expr_real_1) <INDIRECT_REF>: Allow modifier
2413 2005-09-20 Joseph S. Myers <joseph@codesourcery.com>
2415 * c.opt (fextended-identifiers): New.
2416 * c-opts.c (c_common_handle_option): Handle
2417 -fextended-identifiers.
2418 * doc/cpp.texi: Update documentation of extended identifiers.
2419 * doc/cppopts.texi (-fextended-identifiers): Document.
2421 2005-09-20 Jakub Jelinek <jakub@redhat.com>
2423 PR tree-optimization/23929
2424 * tree-ssa-loop-niter.c (expand_simple_operations): Return immediately
2427 PR tree-optimization/23818
2428 * tree-stdarg.c (execute_optimize_stdarg): Call
2429 calculate_dominance_info.
2431 2005-09-20 Daniel Berlin <dberlin@dberlin.org>
2433 * tree-data-ref.c (get_number_of_iters_for_loop): New function.
2434 (analyze_siv_subscript_cst_affine): Add weak SIV test.
2435 (compute_overlap_steps_for_affine_1_2): Use
2436 get_number_of_iters_for_loop.
2437 (analyze_subscript_affine_affine): Check whether difference is
2439 Use get_number_of_iters_for_loop.
2440 Check whether overlap occurs outside of bounds.
2441 (analyze_miv_subscript): Use get_number_of_iters_for_loop.
2443 2005-09-20 Andreas Krebbel <krebbel1@de.ibm.com>
2445 * tree-ssa-address.c (create_mem_ref): Put the symbol reference into the
2446 base register if possible.
2448 2005-09-20 Zdenek Dvorak <dvorakz@suse.cz>
2450 PR tree-optimization/18463
2451 * tree-chrec.c (chrec_convert): Return fold_converted chrec if
2452 converting it directly is not possible.
2453 (chrec_convert_aggressive): New function.
2454 * tree-chrec.h (chrec_convert_aggressive): Declare.
2455 * tree-scalar-evolution.c (instantiate_parameters_1, resolve_mixers):
2456 Fold chrec conversions aggressively if asked to.
2457 (instantiate_parameters): Modified because of changes in
2458 instantiate_parameters_1.
2460 2005-09-19 Richard Henderson <rth@redhat.com>
2462 * config/i386/sse.md (reduc_splus_v4sf): Rename from reduc_plus_v4sf.
2463 (reduc_splus_v2df): New.
2465 2005-09-19 Richard Sandiford <richard@codesourcery.com>
2467 * config/arm/aof.h (REGISTER_NAMES): Add missing backslash.
2468 (ADDITIONAL_REGISTER_NAMES): Add missing comma. Remove final comma.
2470 2005-09-19 Richard Henderson <rth@redhat.com>
2472 * config/i386/sse.md (vcondu<SSEMODE124>): Rename from
2475 2005-09-19 Richard Henderson <rth@redhat.com>
2477 * config/ia64/ia64.c (ia64_expand_widen_sum): New.
2478 (ia64_expand_dot_prod_v8qi): New.
2479 * config/ia64/ia64-protos.h: Update.
2480 * config/ia64/vect.md (pmpy2_r, pmpy2_l, widen_usumv8qi3,
2481 widen_usumv4hi3, widen_ssumv8qi3, widen_ssumv4hi3, udot_prodv8qi,
2482 sdot_prodv8qi, sdot_prodv4hi): New.
2483 (reduc_splus_v2sf): Rename from reduc_plus_v2sf.
2485 2005-09-19 Richard Henderson <rth@redhat.com>
2488 * real.c (exact_real_truncate): Return false if the format cannot
2489 represent the number as a normal.
2491 * config/alpha/alpha.c (alpha_rtx_costs) <FLOAT_EXTEND>: Cost 0
2492 for a memory source.
2494 2005-09-19 Dorit Nuzman <dorit@il.ibm.com>
2496 * tree-ssa-operands.c (swap_tree_operands): Export.
2497 * tree.h (swap_tree_operands): Declare.
2498 * tree-vectorizer.c (vect_is_simple_reduction): Remove ATTRIBUTE_UNUSED.
2499 Call swap_tree_operands.
2501 2005-09-19 Richard Henderson <rth@redhat.com>
2503 * tree-flow.h (merge_alias_info): Declare.
2504 * tree-ssa-copy.c (merge_alias_info): Export.
2505 * tree-vect-transform.c (vect_create_index_for_vector_ref): Remove.
2506 (vect_create_data_ref_ptr): Use create_iv directly.
2507 (vectorizable_load): Use correct types for integer constants.
2508 (vect_generate_tmps_on_preheader): Likewise.
2509 (vect_gen_niters_for_prolog_loop): Likewise.
2511 2005-09-19 Steven Bosscher <stevenb@suse.de>
2513 PR rtl-optimization/23943
2514 * cse.c (find_best_addr): Never propagate an EXPR_LIST rtx.
2516 2005-09-18 Jan Hubicka <jh@suse.cz>
2518 * calls.c (flags_from_decl_or_type): Do not set ECF_LIBCALL_BLOCK.
2520 2005-09-18 Eric Botcazou <ebotcazou@adacore.com>
2522 * varasm.c (output_constant): Do not abort on conversions to union
2523 types between different sizes.
2525 2005-09-18 Richard Guenther <rguenther@suse.de>
2528 * gimplify.c (fold_indirect_ref_rhs): Fix thinko in
2531 2005-09-18 Paul Brook <paul@codesourcery.com>
2533 * config/m68k/fpgnuib.c (__floatsidf): Don't rely on signed overflow.
2535 2005-09-17 Richard Henderson <rth@redhat.com>
2537 * tree-pass.h, tree-flow.h, tree-ssa-dce.c: Revert last change.
2538 * tree-ssa-loop.c (pass_vect_dce): Remove.
2539 * passes.c (init_optimization_passes): Add pass_dce as a sub-pass
2542 2005-09-17 Richard Henderson <rth@redhat.com>
2544 * tree-pass.h (pass_vect_dce): Declare.
2545 * passes.c (init_optimization_passes): Add it.
2546 * tree-flow.h (tree_ssa_dce): Declare.
2547 * tree-ssa-dce.c (tree_ssa_dce): Export.
2548 * tree-ssa-loop.c (tree_vectorize): Move current_loops check ...
2549 (gate_tree_vectorize): ... here.
2550 (pass_vect_dce): New.
2552 2005-09-17 Jan Hubicka <jh@suse.cz>
2554 * except.c (struct eh_status): Turn region_array into vec.
2555 (expand_resx_expr, collect_eh_region_array, remove_unreachable_regions,
2556 convert_from_eh_region_ranges, find_exception_handler_labels,
2557 current_function_has_exception_handlers, assign_filter_values,
2558 build_post_landing_pads, dw2_build_landing_pads,
2559 sjlj_find_directly_reachable_regions, sjlj_mark_call_sites,
2560 sjlj_emit_dispatch_table, remove_eh_handler, for_each_eh_region,
2561 foreach_reachable_handler, can_throw_internal_1,
2562 convert_to_eh_region_ranges, verify_eh_tree): Update uses of
2564 (duplicate_eh_region_1): Update region_array.
2565 (duplicate_eh_regions): Resize region_array and avoid recomputing.
2567 2005-09-17 David Edelsohn <edelsohn@gnu.org>
2570 * expmed.c (expand_mult): Substitute simple register for op0 when
2573 2005-09-17 Richard Henderson <rth@redhat.com>
2575 * expr.c (emit_move_via_integer): Add force argument, pass it on
2576 to emit_move_change_mode. Update callers.
2577 (emit_move_complex): Pass true to new force argument.
2578 * function.c (expand_function_end): Move expand_eh_return call
2579 earlier. Merge sub-word complex values into a pseudo before
2580 copying to the return hard register.
2582 2005-09-17 Eric Botcazou <ebotcazou@adacore.com>
2584 * varasm.c (output_constant): Do not abort on VIEW_CONVERT_EXPRs
2585 between different sizes.
2587 2005-09-16 Paolo Bonzini <bonzini@gnu.org>
2591 * passes.c (init_optimization_passes): Register dump files for
2594 2005-09-16 Andreas Krebbel <krebbel1@de.ibm.com>
2596 * config/s390/s390-protos.h (s390_overlap_p): Prototype added.
2597 * config/s390/s390.c (s390_overlap_p): New function.
2598 * config/s390/s390.md ("*mvc" peephole2, "*nc" peephole2, "*oc"
2599 peephole2, "*xc" peephole2): Added overlap check to the peephole2
2602 2005-09-16 Richard Guenther <rguenther@suse.de>
2604 * ipa-pure-const.c (static_execute): Free auxiliar information.
2605 * ipa-type-escape.c (discover_unique_type): Free temporary key.
2606 * tree-vrp.c (remove_range_assertions): Free blocks_visited sbitmap.
2608 2005-09-15 DJ Delorie <dj@redhat.com>
2610 * config/m32c/m32c-lib1.S (__m32c_eh_return): Fix typo.
2612 2005-09-15 Paolo Bonzini <bonzini@gnu.org>
2614 * optabs.c (expand_binop): Use swap_commutative_operands_with_target
2616 (swap_commutative_operands_with_target): New.
2618 2005-09-15 Daniel Berlin <dberlin@dberlin.org>
2620 * tree-data-ref.c (analyze_array_indexes): Add estimate_only
2623 (estimate_iters_using_array): New function.
2624 * tree-data-ref.h (estimate_iters_using_array): Prototype
2625 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
2626 Use estimate_iters_using_array instead of analyze_array.
2628 2005-09-15 Eric Botcazou <ebotcazou@adacore.com>
2630 * tree-nested.c (get_frame_type): Mark the "non-local frame structure"
2633 2005-09-15 Michael Matz <matz@suse.de>
2635 * tree-vrp.c (vrp_int_const_binop <MINUS_EXPR>): Handle 0 - -INF.
2637 2005-09-14 Daniel Berlin <dberlin@dberlin.org>
2639 PR tree-optimization/23835
2640 * tree-ssa-alias.c (sort_pointers_by_pt_vars): New function.
2641 (create_name_tags): Rewrite to be not O(num_ssa_names^2).
2643 2005-09-14 Richard Henderson <rth@redhat.com>
2645 * config/ia64/vect.md (addv2sf3, subv2sf3): Rewrite as expand.
2646 (addv2sf3_1, addv2sf3_2, subv2sf3_1, subv2sf3_2): New.
2648 2005-09-14 Andrew Pinski <pinskia@physics.uc.edu>
2650 * config/i386/i386.c (contains_128bit_aligned_vector_p): Add break
2651 in the ARRAY_TYPE case.
2653 2005-09-14 Eric Botcazou <ebotcazou@adacore.com>
2655 * tree.c (substitute_in_expr, case 4): New case, for ARRAY_REF.
2657 2005-09-14 Uros Bizjak <uros@kss-loka.si>
2660 * tree-vect-transform.c (vectorizable_operation): Return false for
2661 scalar shift operations and for vector shift operations with
2662 non-invariant shift arguments. Use scalar tree operand op1 as
2663 a shift operand when vector shift insn pattern uses scalar shift
2665 * Makefile.in (tree-vect-transform.o): Depend on recog.h.
2667 2005-09-14 Olivier Hainque <hainque@adacore.com>
2669 * gimplify.c (gimplify_init_ctor_eval): Don't discard a zero-sized
2670 value if it has side-effects.
2672 2005-09-14 David Edelsohn <edelsohn@gnu.org>
2675 * config/rs6000/rs6000.md (muldi3): Add mulli alternative.
2677 2005-09-14 Alan Modra <amodra@bigpond.net.au>
2679 * config/rs6000/linux64.h (DBX_OUTPUT_BRAC): Treat function name
2680 passed as NAME as if it were label at start of function code.
2682 2005-09-13 Kaz Kojima <kkojima@gcc.gnu.org>
2684 * config/sh/sh.md (*movv4sf_i): Add general register cases to
2687 2005-09-13 Andrew Pinski <pinskia@physics.uc.edu>
2689 * config/rs6000/darwin.md (movdf_low_si): Mark the outgoing r constraint
2690 as early clobber. Rewrite so the PIC register is not implicitly used.
2692 2005-09-13 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2694 * tree.c (annotate_with_file_line): Compare line numbers before
2697 2005-09-13 Uros Bizjak <uros@kss-loka.si>
2700 * config/i386/sse.md (*ieee_sminv4sf3, *ieee_smaxv4sf3)
2701 (*ieee_sminv2df3, *ieee_smaxv2df3): New insn patterns.
2703 2005-09-13 Ian Lance Taylor <ian@airs.com>
2705 * loop-doloop.c (doloop_modify): Use GEN_INT to pass an rtx rather
2706 than a HOST_WIDEST_INT to gen_doloop_begin.
2708 2005-09-13 Diego Novillo <dnovillo@redhat.com>
2710 * tree-dfa.c (dump_variable): Guard against NULL annotations.
2712 2005-09-13 Zdenek Dvorak <dvorakz@suse.cz>
2714 PR tree-optimize/23817
2715 * tree-cfg.c (tree_merge_blocks): Preserve loop closed ssa.
2717 2005-09-13 Alan Modra <amodra@bigpond.net.au>
2720 * config/rs6000/rs6000.md (restore_stack_block): Write the backchain
2721 word before changing the stack pointer. Use gen_frame_mem for MEMs.
2722 Use UNSPEC_TIE to prevent insn scheduling reordering the insns.
2723 (restore_stack_nonlocal): Likewise.
2724 (save_stack_nonlocal): Use template to emit insns, and gen_frame_mem.
2726 2005-09-12 Ian Lance Taylor <ian@airs.com>
2729 * c.opt (ffriend-injection): New C++ option.
2730 * doc/invoke.texi (Option Summary): Mention -ffriend-injection.
2731 (C++ Dialect Options): Document -ffriend-injection.
2733 2005-09-12 Josh Conner <jconner@apple.com>
2736 * ipa-reference.c (static_execute): Don't mark variables in
2737 named sections TREE_READONLY.
2739 2005-09-12 Alan Modra <amodra@bigpond.net.au>
2741 * config/rs6000/rs6000.c (get_next_active_insn): Simplify test for
2744 2005-09-12 Andrew Pinski <pinskia@physics.uc.edu>
2746 * tree-ssa-dse.c (dse_optimize_stmt): Fix up all of V_MAY_DEF and
2747 V_MUST_DEF instead of just the first_use_p.
2748 Don't mark the virtual variables for renaming on the statement which
2750 (pass_dse): Remove TODO_update_ssa.
2752 2005-09-12 J"orn Rennecke <joern.rennecke@st.com>
2755 * stor-layout.c (compute_record_mode): For records with a single
2756 field, actually check the field's mode size against the type size.
2758 * sh.h (HARD_REGNO_MODE_OK): Allow V4SFmode in general purpose
2759 registers for TARGET_SHMEDIA.
2760 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Rename
2761 GENERAL_FP_REGS to GENERAL_DF_REGS. Add GENERAL_FP_REGS as union
2762 of GENERAL_REGS and FP_REGS.
2764 2005-09-12 Bernd Schmidt <bernd.schmidt@analog.com>
2766 * config/bfin/bfin.c (legimitize_pic_address): Use gen_const_mem.
2768 2005-09-12 Alan Modra <amodra@bigpond.net.au>
2770 * config/rs6000/rs6000.c (get_next_active_insn): Rewrite using
2771 CALL_P, JUMP_P and NONJUMP_INSN_P, so that barriers and labels
2772 are omitted. Exclude stack_tie insn too.
2774 2005-09-11 David Edelsohn <edelsohn@gnu.org>
2776 PR rtl-optimization/23098
2777 * config/rs6000/predicates.md (easy_fp_constant): SFmode constant
2779 * config/rs6000/rs6000.md (movdf splitter): Use
2780 const_double_operand predicate for TARGET_POWERPC64.
2781 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Expand
2782 SYMBOL_REF method to ABI_V4.
2784 * config/rs6000/altivec.md (build_vector_mask_for_load): Use
2785 replace_equiv_address.
2786 * config/rs6000/rs6000.c (rs6000_emit_eh_reg_restore): Mark MEM as
2787 rs6000_sr_alias_set and MEM_NOTRAP.
2788 (rs6000_aix_emit_builtin_unwind_init): Use gen_frame_mem().
2790 2005-09-11 Eric Botcazou <ebotcazou@adacore.com>
2792 * tree.c (contains_placeholder_p) <tcc_expression>: Properly
2793 handle CALL_EXPR again.
2795 2005-09-11 Richard Earnshaw <richard.earnshaw@arm.com>
2797 * arm/predicates.md (alignable_memory_operand): Delete.
2799 2005-09-10 Richard Henderson <rth@redhat.com>
2802 * dbxout.c (dbxout_expand_expr): New.
2803 (dbxout_symbol): Use it.
2805 2005-09-10 Richard Earnshaw <richard.earnshaw@arm.com>
2807 * arm.c (arm_gen_rotated_half_load): Delete.
2808 (vfp_emit_fstmx, arm_set_return_address): Use gen_frame_mem.
2809 (emit_multi_reg_push, emit_sfm, arm_expand_prologue)
2810 (thumb_set_return_address): Likewise.
2811 (thumb_load_double_from_address): Use adjust_address.
2812 * arm.md (splits calling arm_gen_rotated_half_load): Delete.
2813 (extendhsisi2_mem, movhi_bytes): Use change_address.
2814 (movhi): Use widen_memory_access.
2815 (reload_out_df): Use replace_equiv_address.
2816 * arm-protos.h (arm_gen_rotated_half_load): Delete prototype.
2818 2005-09-09 Richard Henderson <rth@redhat.com>
2821 * dbxout.c: Include expr.h.
2822 (dbxout_global_decl): Don't suppress for DECL_RTL unset.
2823 (dbxout_symbol): Handle DECL_VALUE_EXPR.
2824 * Makefile.in (dbxout.o): Add EXPR_H.
2826 2005-09-09 Zdenek Dvorak <dvorakz@suse.cz>
2828 PR tree-optimization/23509
2829 * tree-cfg.c (replace_uses_by): Use replace_exp.
2830 * tree-ssa-loop-ivopts.c (get_ref_tag): Assert that dereferenced
2831 pointers have name_mem_tag or type_mem_tag set.
2833 2005-09-09 Sebastian Pop <pop@cri.ensmp.fr>
2835 * tree-chrec.c (evolution_function_is_invariant_rec_p): Use
2836 CHREC_LEFT and CHREC_RIGHT for accessing chrec components instead
2837 of wrongly accessing operands.
2839 2005-09-09 Sebastian Pop <pop@cri.ensmp.fr>
2841 * Makefile.in (tree-chrec.o): Depends on SCEV_H.
2842 * tree-chrec.c: Include tree-scalar-evolution.h.
2843 (chrec_convert): Instantiate the base and step before calling
2844 scev_probably_wraps_p that would fail on parametric evolutions.
2845 Collect all the fails into a single section failed_to_convert,
2846 print a diagnostic, and return chrec_dont_know instead of calling
2848 * tree-scalar-evolution.c (loop_closed_phi_def): New.
2849 (instantiate_parameters_1): Avoid instantiation of loop closed ssa
2851 (scev_const_prop): Don't replace the definition of a loop closed ssa
2852 phi node by itself, or by another loop closed ssa phi node.
2853 * tree-ssa-loop-niter.c (scev_probably_wraps_p, convert_step): Check
2854 that base and step are defined.
2856 2005-09-09 Richard Guenther <rguenther@suse.de>
2859 * fold-const.c (fold_ternary): Check truth_value_p before
2860 calling invert_truthvalue.
2862 2005-09-09 Nick Clifton <nickc@redhat.com>
2864 * Makefile.in (LIBGCC_DEPS): Add libgcc2.h.
2865 * libgcc2.c (__clz_tab[], __popcount_tab[]): Set the fixed
2866 dimension of these arrays.
2867 * libgcc2.h (__clz_tab[], __popcount_tab[]): Add exports of
2869 * longlong.h: Only provide a prototype for the __clz_tab[] array
2870 if this header has not been included from libgcc2.h.
2871 * config/stormy16/stormy16-lib2.c: Include libgcc2.h rather than
2873 Provide prototypes for exported functions.
2874 Use the __clz_tab[] and __popcount_tab[] arrays provided by
2877 2005-09-08 Josh Conner <jconner@apple.com>
2881 * expr.c (expand_expr_addr_expr_1): Don't invoke
2882 expand_simple_binop for EXPAND_INITIALIZER.
2884 2005-09-08 Richard Henderson <rth@redhat.com>
2887 * toplev.c (wrapup_global_declaration_1): Split out ...
2888 (wrapup_global_declaration_2): ... from ...
2889 (wrapup_global_declarations): ... here. Return bool.
2890 (check_global_declaration_1): Split out ...
2891 (check_global_declarations): from here.
2892 (emit_debug_global_declarations): New.
2893 * toplev.h (wrapup_global_declaration_1, wrapup_global_declaration_2,
2894 check_global_declaration_1, emit_debug_global_declarations): Declare.
2895 * c-decl.c (c_write_global_declarations_1): Don't create a vector
2896 of decls. Call wrapup_global_declaration_1,
2897 wrapup_global_declaration_2, check_global_declaration_1 directly.
2898 (c_write_global_declarations_2): New.
2900 (c_write_global_declarations): Call c_write_global_declarations_2.
2901 * langhooks.c (write_global_declarations): Call
2902 emit_debug_global_declarations.
2904 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Don't
2905 remove decls that have DECL_RTL_SET_P.
2906 * passes.c (rest_of_decl_compilation): Invoke
2907 cgraph_varpool_finalize_decl for all but functions.
2909 2005-09-08 Eric Botcazou <ebotcazou@libertysurf.fr>
2911 * tree-vrp.c (extract_range_from_unary_expr): Do not set the range for
2912 the result of a conversion if the new min and max cannot be compared.
2914 2005-09-08 Andreas Krebbel <krebbel1@de.ibm.com>
2916 * config/s390/s390.c (s390_sr_alias_set): Variable removed.
2917 (override_options): Setting s390_sr_alias_set removed.
2918 (save_fpr, save_gprs): Set alias set to vararg or frame.
2919 (restore_fpr, restore_gprs, s390_emit_prologue): Replace
2920 s390_sr_alias_set with get_frame_alias_set ().
2921 (s390_gimplify_va_arg): Replace s390_sr_alias_set with
2922 get_varargs_alias_set ().
2924 2005-09-08 Andrew Pinski <pinskia@physics.uc.edu>
2928 * c-parser.c (c_parser_objc_method_definition): If the next
2929 token is not "{", error out and don't start the function.
2931 2005-09-08 Andrew Pinski <pinskia@physics.uc.edu>
2933 * tree-vrp.c (extract_range_from_expr): Move the check for non
2934 nullness after the check for gimple invariant.
2936 2005-09-08 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2938 * tree.c (host_integerp, tree_low_cst): Correct function comment.
2940 2005-09-08 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
2943 * config/m32r.md (movmemsi_internal): Canonicalize order of
2944 operands in PLUS component of template.
2946 2005-09-07 Andreas Krebbel <krebbel1@de.ibm.com>
2948 * reload1.c (fixup_eh_region_note): Remove assertion.
2949 (fixup_abnormal_edges): Reverted removal of call to
2950 find_many_sub_basic_blocks made on 2005-08-31.
2952 2005-09-07 Richard Henderson <rth@redhat.com>
2954 * function.c (ARG_POINTER_CFA_OFFSET): Move ...
2955 * defaults.h (ARG_POINTER_CFA_OFFSET): ... here.
2956 (INCOMING_FRAME_SP_OFFSET): Move from dwarf2out.c.
2957 * dwarf2out.c (struct cfa_loc): Change reg to unsigned int,
2958 rearrange for better packing.
2959 (INCOMING_FRAME_SP_OFFSET): Move to defaults.h.
2960 (lookup_cfa_1): Remove inline marker.
2961 (cfa_equal_p): Split out of ...
2962 (def_cfa_1): ... here. Use INVALID_REGNUM.
2963 (build_cfa_loc): Handle !cfa->indirect.
2964 (frame_pointer_cfa_offset): New.
2965 (dbx_reg_number): Assert register elimination performed; do
2966 leaf register remapping.
2967 (reg_loc_descriptor): Avoid calling dbx_reg_number when unused.
2968 (eliminate_reg_to_offset): New.
2969 (based_loc_descr): Remove can_use_fbreg argument. Use fbreg only
2970 for verifiably local stack frame addresses; re-base to CFA.
2971 (mem_loc_descriptor): Remove can_use_fbreg argument.
2972 (concat_loc_descriptor, loc_descriptor): Likewise.
2973 (containing_function_has_frame_base): Remove.
2974 (rtl_for_decl_location): Don't do register elimination or
2975 leaf register remapping here.
2976 (secname_for_decl): Split out from ..
2977 (add_location_or_const_value_attribute): ... here.
2978 (convert_cfa_to_loc_list): New.
2979 (compute_frame_pointer_to_cfa_displacement): New.
2980 (gen_subprogram_die): Use them.
2981 * tree.h (frame_base_decl): Remove.
2982 * var-tracking.c (frame_base_decl, frame_stack_adjust): Remove.
2983 (prologue_stack_adjust): Remove.
2984 (vt_stack_adjustments): Use INCOMING_FRAME_SP_OFFSET.
2985 (adjust_stack_reference): Re-base memories to arg_pointer_rtx.
2986 (set_frame_base_location): Remove.
2987 (compute_bb_dataflow, emit_notes_in_bb): Don't call it.
2988 (dump_attrs_list, dump_dataflow_set): Use string concatenation.
2989 (vt_add_function_parameters): Don't eliminate_regs.
2990 (vt_initialize): Don't create frame_base_decl.
2992 2005-09-07 Eric Botcazou <ebotcazou@libertysurf.fr>
2994 * doc/install.texi (*-*-solaris2*): Clarify wording on the recommended
2995 version of GNU binutils for 4.x and later.
2997 2005-09-06 Mark Mitchell <mark@codesourcery.com>
2999 * ggc-page.c (ggc_push_context): Remove.
3000 (ggc_pop_context): Likewise.
3001 * ggc.h (ggc_push_context): Remove.
3002 (ggc_pop_context): Likewise.
3004 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
3007 * config/arc/arc.c (arc_output_function_epilogue): Update flags while
3008 returning from an interrupt handler.
3010 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
3013 * config/arc/arc.c (output_shift): Add check for loop count when
3016 2005-09-06 Steven Bosscher <stevenb@suse.de>
3018 * tree-ssa-phiopt.c (conditional_replacement): Construct proper SSA
3020 (abs_replacement): Likewise.
3021 (pass_phiopt): Remove TODO_update_ssa.
3023 2005-09-06 Jakub Jelinek <jakub@redhat.com>
3026 * c-typeck.c (c_finish_return): Set TREE_NO_WARNING on RETURN_EXPR
3027 if "return with no value, in function returning non-void" warning
3029 * tree-cfg.c (execute_warn_function_return): Don't look at
3030 RETURN_EXPRs with TREE_NO_WARNING set.
3033 * config/i386/i386.c (ix86_function_regparm): Make sure automatic regparm
3034 for internal functions doesn't use registers used by global registers
3035 variables. Use fewer register parameters if there are global register
3038 2005-09-06 Olivier Hainque <hainque@adacore.com>
3039 Eric Botcazou <ebotcazou@adacore.com>
3042 * expr.c (expand_expr_real) <normal_inner_ref>: Force op0 to mem
3043 when we would be extracting outside its bit span (bitpos+bitsize
3044 larger than its mode), possible with some VIEW_CONVERT_EXPRs from
3045 Ada unchecked conversions.
3047 2005-09-06 Steven Bosscher <stevenb@suse.de>
3049 * tree-ssa-pre.c (try_look_through_load): New function.
3050 (compute_avail): Use it to try to look through loads for some
3051 more useful expressions.
3053 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
3055 * simplify-rtx.c (simplify_binary_operation_1): Correct the
3056 condition for detecting cases like (a&a) and (a^a).
3058 2005-09-06 Keith Besaw <kbesaw@us.ibm.com>
3060 * common.opt: Add option ftree-vect-loop-version.
3061 * params.def: Add --param vect-max-version-checks.
3062 * doc/invoke.texi: Document ftree-vect-loop-version and
3063 --param vect-max-version-checks.
3064 * tree-vectorizer.h (_loop_vec_info): Add ptr_mask and
3065 may_misalign_stmts and defines for accessors.
3066 * tree-vectorizer.c : (new_loop_vec_info): VEC_alloc for
3067 LOOP_VINFO_MAY_MISALIGN_STMTS.
3068 (destroy_loop_vec_info): VEC_free for
3069 LOOP_VINFO_MAY_MISALIGN_STMTS.
3070 * tree-vect-analyze.c (vect_compute_data_ref_alignment):
3071 Update documentation.
3072 (vect_update_misalignment_for_peel): New.
3073 (vect_enhance_data_refs_alignment): Update to choose loop
3074 peeling or loop versioning if appropriate for the (potentially)
3075 unaligned data references in the loop.
3076 (vect_analyze_data_refs_alignment): Remove call to
3077 vect_enhance_data_refs_alignment so the checks can be done
3079 (vect_analyze_loop): Add call to vect_enhance_data_refs_alignment
3080 and move up call to vect_analyze_data_refs_alignment.
3081 * tree-vect-transform.c (vect_create_cond_for_align_checks): New.
3082 (vect_transform_loop): Add call to loop_version.
3084 2005-09-06 Jakub Jelinek <jakub@redhat.com>
3086 PR rtl-optimization/23098
3087 * cse.c (fold_rtx_mem): Call delegitimize_address target hook.
3088 * simplify-rtx.c (constant_pool_reference_p): New function.
3089 * rtl.h (constant_pool_reference_p): New prototype.
3090 * config/i386/i386.md (pushf split, mov[sdx]f split): Use
3091 constant_pool_reference_p in condition and
3092 avoid_constant_pool_reference in preparation statements.
3094 2005-09-06 Andreas Krebbel <krebbel1@de.ibm.com>
3096 * gcse.c (try_replace_reg): Disallow REG_EQUAL notes for
3097 STRICT_LOW_PART SETs.
3099 2005-09-06 Alan Modra <amodra@bigpond.net.au>
3102 * except.c (sjlj_emit_function_enter): Find the function begin
3103 note even when it's not in first basic block.
3105 2005-09-06 Kelley Cook <kcook@gcc.gnu.org>
3107 * acinclude.m4: Renamed from aclocal.m4. Delete AM_LANGINFO_CODESET,
3108 AM_PROG_CC_C_O, and AM_AUX_DIR_EXPAND.
3109 * aclocal.m4: Regenerate.
3111 2005-09-05 DJ Delorie <dj@redhat.com>
3113 * config/m32c/m32c.h (TRAMPOLINE_ALIGNMENT): Correct misspelling
3116 2005-09-06 Kazu Hirata <kazu@codesourcery.com>
3118 * gimplify.c, ipa-prop.h, varasm.c, config/vxlib.c,
3119 config/vxworks.h, config/crx/crx.c, config/ms1/ms1.c,
3120 config/ms1/ms1.md, config/rs6000/rs6000.c: Fix comment typos.
3121 Follow spelling conventions.
3122 * doc/invoke.texi: Follow spelling conventions.
3124 2005-09-05 J"orn Rennecke <joern.rennecke@st.com>
3126 * rtl.h (gen_frame_mem, gen_tmp_stack_mem): Declare.
3127 * emit-rtl.c (gen_frame_mem, gen_tmp_stack_mem): New functions.
3128 * builtins.c (expand_builtin_return_addr): Use gen_frame_mem.
3130 2005-09-05 J"orn Rennecke <joern.rennecke@st.com>
3133 * sh.c (sh_reorg, emit_load_ptr): Use gen_const_mem.
3134 (output_stack_adjust): Use gen_tmp_stack_mem.
3135 (sh_expand_prologue, sh_expand_epilogue): Use gen_frame_mem.
3136 (sh_set_return_address, sh_allocate_initial_value): Likewise.
3137 (sh_get_pr_initial_val): Likewise.
3138 (sh_builtin_saveregs): Use gen_frame_mem and change_address.
3139 (sh_initialize_trampoline): Likewise. Also use adjust_address.
3140 * sh.md (divsi_inv_m0): Use gen_const_mem.
3141 (push_fpscr, pop_fpscr, load_ra): Use gen_frame_mem.
3142 (movdf_i4+1): Use gen_tmp_stack_mem.
3143 (reload_outdf+3, reload_outdf+4, fpu_switch+1): Use change_address.
3144 (fpu_switch+2): Likewise.
3145 (movv4sf_i, movv16sf_i): Use adjust_address.
3146 (symGOT_load): Set MEM_NOTRAP_P bit.
3148 2005-09-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3151 * pa.c (emit_move_sequence): Fix typo in last change.
3153 2005-09-03 Jakub Jelinek <jakub@redhat.com>
3155 PR rtl-optimization/23454
3156 * reorg.c (relax_delay_slots): Only call invert_jump if any_condjump_p
3159 2005-09-03 Richard Henderson <rth@redhat.com>
3160 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3163 * pa.c (emit_move_sequence): Use replace_equiv_address instead of
3166 2005-09-02 Nicolas Pitre <nico@cam.org>
3168 * config/arm/arm.c (arm_legitimize_address): Limit the value passed
3169 to bit_count to 32 bits.
3171 2005-08-31 Mark Mitchell <mark@codesourcery.com>
3174 * gimplify.c (gimplify_expr): Handle TREE_ADDRESSABLE types when
3175 generating synthetic loads from volatile lvalues.
3177 005-09-02 Nick Clifton <nickc@redhat.com>
3179 * config/stormy16/stormy16-lib2.c (__popcounthi2, __parityhi2,
3180 __ctzhi2, __clzhi2): New functions.
3182 2005-09-02 Andrew Pinski <pinskia@physics.uc.edu>
3185 * tree-nested.c (struct var_map_elt): Mark with GTY.
3186 (struct nesting_info): Mark with GTY. Mark var_map's param is struct
3188 (lookup_field_for_decl): Allocate new element in GC memory.
3189 (lookup_tramp_for_decl): Likewise.
3190 (convert_nl_goto_reference): Likewise
3191 (create_nesting_tree): Allocate info in GC memory. Likewise for
3193 (free_nesting_tree): Free with ggc_free instead of free.
3194 (root): New static variable.
3195 (lower_nested_functions): Remove root as local variable. And zero out
3196 root at the end of the function.
3198 2005-09-02 J"orn Rennecke <joern.rennecke@st.com>
3200 PR rtl-optimization/20365
3201 * simplify-rtx.c (simplify_plus_minus_op_data): Change type of neg
3202 to short. New member ix.
3203 (simplify_plus_minus_op_data_cmp): Break ties using ix member.
3204 (simplify_plus_minus): Initialize ix members before calling qsort.
3206 2005-09-02 Zdenek Dvorak <dvorakz@suse.cz>
3208 PR tree-optimization/23626
3209 * tree-cfg.c (replace_uses_by): Clean up eh info.
3211 2005-09-01 DJ Delorie <dj@redhat.com>
3213 * config/m32c/m32c.c (m32c_valid_pointer_mode): Remove stray debug
3216 2005-09-01 David Edelsohn <edelsohn@gnu.org>
3218 * config/rs6000/rs6000.c (setup_incoming_varargs): Set MEM_NOTRAP_P.
3219 (rs6000_split_multireg_move): Use replace_equiv_address instead of
3222 2005-09-01 Craig Rodrigues <rodrigc@gcc.gnu.org>
3224 * c-decl.c (diagnose_mismatched_decls): With -Wredundant-decls,
3225 do not issue warning for a variable definition following
3228 2005-09-01 Richard Henderson <rth@redhat.com>
3231 * config/i386/i386.c (ix86_expand_vector_init_one_var): Restore
3232 conversion to CONST_VECTOR.
3234 2005-09-01 Richard Henderson <rth@redhat.com>
3237 * reload1.c (reload_as_needed): Check !CALL_P before calling
3238 fixup_eh_region_note.
3239 * rtlanal.c (may_trap_p): SUBREG by itself cannot trap.
3241 2005-09-01 DJ Delorie <dj@redhat.com>
3243 * varasm.c (output_constant): Let the target resolve
3244 conversions of addresses to non-default pointer sizes.
3246 2005-09-01 Nicolas Pitre <nico@cam.org>
3248 * config/arm/arm.c (arm_legitimize_address): Split absolute addresses
3249 to alow matching ARM pre-indexed addressing mode.
3250 (arm_override_options): Remove now irrelevant comment.
3252 2005-09-01 Phil Edwards <phil@codesourcery.com>
3254 * config.gcc (i*86-wrs-vxworks): Update. Split out vxworksae target.
3255 * config/i386/t-vxworks: Update multilibs for VxWorks 6 and RTP mode.
3256 * config/i386/vxworks.h: Likewise.
3257 * config/i386/t-vxworksae: New file, for VxWorks AE.
3258 * config/i386/vxworksae.h: Likewise.
3260 2005-09-01 Sebastian Pop <pop@cri.ensmp.fr>
3262 PR tree-optimization/23410
3263 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Check that the
3264 sequence is not wrapping during the first step.
3266 2005-09-01 Jakub Jelinek <jakub@redhat.com>
3269 * dwarf2out.c (base_type_die): Compare char_type_node with
3270 TYPE_MAIN_VARIANT (type), not type.
3272 2005-09-01 Richard Guenther <rguenther@suse.de>
3274 PR tree-optimization/15366
3275 * common.opt: Add -finline-functions-called-once.
3276 Put -fearly-inlining in alphabetically ordered place.
3277 * doc/invoke.texi: Document new option.
3278 * ipa-inline.c (cgraph_decide_inlining): Honour
3279 flag_inline_functions_called_once.
3281 2005-09-01 Jakub Jelinek <jakub@redhat.com>
3283 PR rtl-optimization/23478
3284 * local-alloc.c (struct qty): Add n_throwing_calls_crossed field.
3285 (alloc_qty): Initialize it.
3286 (update_equiv_regs): Clear REG_N_THROWING_CALLS_CROSSED.
3287 (combine_regs): Combine also n_throwing_calls_crossed fields.
3288 (find_free_reg): Don't attempt to caller-save pseudos crossing
3289 calls that might throw.
3290 * global.c (struct allocno): Add throwing_calls_crossed field.
3291 (global_alloc): Revert 2005-08-22 change. Initialize
3292 throwing_calls_crossed.
3293 (find_reg): Don't attempt to caller-save pseudos crossing calls that
3296 2005-09-01 Alan Modra <amodra@bigpond.net.au>
3299 * config/rs6000/predicates.md (mask_operand): Only handle rlwinm masks.
3300 (mask64_operand): Reinstate code prior to 2005-06-11 change.
3301 (mask64_2_operand): Reinstate code prior to 2004-11-11 change.
3302 (and64_2_operand): Tweak to use predicate.
3303 (and_operand): Adjust for mask_operand changes.
3304 * config/rs6000/rs6000.c (num_insns_constant): Revert 2005-06-11.
3305 (print_operand): Likewise.
3306 (rs6000_rtx_costs): Pass mode to mask_operand and use mask64_operand.
3307 (mask64_1or2_operand): Delete.
3308 * rs6000/rs6000-protos.h (mask64_1or2_operand): Delete.
3309 * config/rs6000/rs6000.h (EXTRA_CONSTRAINT <S>): Revert 2005-06-11.
3310 (EXTRA_CONSTRAINT <T>): Pass operand mode to predicate.
3311 (EXTRA_CONSTRAINT <t>): Disallow mask64_operand matches.
3312 * config/rs6000/rs6000.md (andsi3_internal3 split): Revert 2005-06-11.
3313 (rotldi3_internal4): Likewise.
3314 (rotldi3_internal5, rotldi3_internal5 split): Likewise.
3315 (rotldi3_internal6, rotldi3_internal6 split): Likewise.
3316 (ashldi3_internal7): Likewise.
3317 (ashldi3_internal8, ashldi3_internal8 split): Likewise.
3318 (ashldi3_internal, ashldi3_internal9 split): Likewise.
3319 (anddi3 split): Don't match mask64_operand.
3320 (anddi3_internal2): Add rlwinm. Modify 't' splitter predicate.
3321 (anddi3_internal3): Add rlwinm. Use and64_2_operand in non-cr0
3322 splitter and match TARGET_64BIT not TARGET_POWERPC64. Modify
3323 't' splitter predicate.
3324 (movdi_internal64 + 2): Revert 2005-06-11 change.
3326 2005-08-31 DJ Delorie <dj@redhat.com>
3328 * config/m32c/m32c.c (m32c_valid_pointer_mode): New.
3329 (m32c_asm_integer): Add support for 32 bit pointers.
3331 2005-08-31 Richard Henderson <rth@redhat.com>
3333 * emit-rtl.c (set_mem_attributes_minus_bitpos): Look through
3334 component-like references for setting MEM_NOTRAP_P.
3336 * config/i386/i386.c (ix86_setup_incoming_varargs): Set MEM_NOTRAP_P.
3337 * config/alpha/alpha.c (alpha_setup_incoming_varargs): Likewise.
3339 2005-08-31 Richard Henderson <rth@redhat.com>
3341 * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Force subregs
3342 into a pseudo before applying gen_lowpart.
3344 2005-08-31 Geoffrey Keating <geoffk@apple.com>
3346 * doc/install.texi (Specific): Update cctools version required
3347 for full functionality.
3348 * config/darwin.h (LINK_SPEC): Pass -mmacosx-version-min to the
3349 linkers as -macosx_version_min.
3351 2005-08-31 J"orn Rennecke <joern.rennecke@st.com>
3354 * sh.c (print_operand, %R and %S): Add handling of floating point
3355 registers, memory, constants and invalid operands.
3357 2005-08-31 Daniel Berlin <dberlin@dberlin.org>
3359 * ipa-pure-const.c: Change dump name.
3361 2005-08-31 Uros Bizjak <uros@kss-loka.si>
3364 * config/i386/sse.md (*sse_concatv2sf): Change operand 2 constraint
3365 to "reg_or_0_operand".
3366 (sse2_loadld): Change operand 1 constraint to "reg_or_0_operand".
3368 2005-08-31 Dale Johannesen <dalej@apple.com>
3370 * loop-iv.c (iv_number_of_iterations): Fix overflow check for
3371 loops that count down.
3373 2005-08-31 Richard Henderson <rth@redhat.com>
3376 * reload1.c (reload): Set MEM_NOTRAP_P in spill slots.
3377 (fixup_eh_region_note): New.
3378 (reload_as_needed): Call it.
3379 (fixup_abnormal_edges): Allow all throwing insns to be deleted;
3380 don't call find_many_sub_basic_blocks; call verify_flow_info.
3381 * function.c (assign_stack_local_1): Set MEM_NOTRAP_P.
3382 (keep_stack_depressed): Likewise.
3383 (assign_stack_temp_for_type): Likewise; use adjust_address_nv.
3385 2005-08-31 Richard Henderson <rth@redhat.com>
3387 * config/i386/i386.c (ix86_function_ok_for_sibcall): Fix test for
3390 2005-08-31 Fariborz Jahanian <fjahanian@apple.com>
3392 * expr.c (expand_expr_real_1): Compare size of address
3393 mode to target's address mode size in deciding expansion of
3394 the constant address.
3396 2005-08-31 Richard Guenther <rguenther@suse.de>
3399 * expr.c (all_zeros_p): New function.
3400 (expand_expr_real_1): Handle the case of an all-zero
3401 non-addressable constructor separately.
3403 2005-08-31 Adrian Straetling <straetling@de.ibm.com>
3405 * builtins.c: (expand_builtin_strcpy, expand_builtin_strcat): Change
3406 arguments, adjust all callers.
3407 (expand_builtin_strcat): Rewrite to call strcpy instead of mempcpy.
3409 2005-08-30 Richard Henderson <rth@redhat.com>
3412 * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Use gen_lowpart
3413 whenever the mode sizes match.
3415 2005-08-31 Alan Modra <amodra@bigpond.net.au>
3417 * calls.c (load_register_parameters): Fix comment typo.
3418 * expr.c (emit_push_insn): Comment formatting.
3420 2005-08-30 Ian Lance Taylor <ian@airs.com>
3422 * config/i386/x-cygwin (host-cygwin): Change dependency from
3423 hosthooks-def.h to $(HOSTHOOKS_DEF_H).
3425 2005-08-29 Geoffrey Keating <geoffk@apple.com>
3427 * config/i386/i386.c (ix86_expand_vector_init_one_var): Don't modify
3430 2005-08-29 Andrew Pinski <pinskia@physics.uc.edu>
3433 * ipa-inline.c (cgraph_decide_inlining_incrementally): Remove the
3434 call to ggc_collect.
3436 2005-08-29 Paolo Bonzini <bonzini@gnu.org>
3439 * Makefile.in (ALL_CPPFLAGS): Include $(INCLUDES) at the
3440 beginning. Remove $(INCLUDES) from all the rules, if following
3441 $(ALL_CPPFLAGS) or $(BUILD_CPPFLAGS).
3443 2005-08-29 Jakub Jelinek <jakub@redhat.com>
3446 * builtins.c (fold_builtin_memory_chk, fold_builtin_stxcpy_chk,
3447 fold_builtin_strncpy_chk, fold_builtin_snprintf_chk): If len is
3448 not constant, but maxlen is, don't set len to maxlen, rather
3449 set maxlen to len if len is a constant.
3451 2005-08-29 Zdenek Dvorak <dvorakz@suse.cz>
3453 PR tree-optimization/23475
3454 * tree-ssa-loop-ivcanon.c (remove_empty_loop): Update frequencies
3457 2005-08-28 Daniel Berlin <dberlin@dberlin.org>
3459 Fix PR middle-end/22455
3461 * fold-const.c (fold_checksum_tree): Adjust for now-largest tree size.
3462 Checksum only the parts of the tree that exist for the tree code.
3464 2005-08-28 Dale Johannesen <dalej@apple.com>
3466 * config/i386/i386.c (nocona_cost): Increase MOVE_RATIO.
3468 2005-08-28 Andrew Pinski <pinskia@physics.uc.edu>
3470 * tree-vrp.c: Remove obsolete comment in front of vrp_initialize.
3472 2005-08-28 Richard Henderson <rth@redhat.com>
3474 * stor-layout.c (finalize_type_size): Revert workaround from 08-26.
3475 * tree.c (make_node_stat): Use BITS_PER_UNIT instead of alignment
3478 2005-08-28 Jakub Jelinek <jakub@redhat.com>
3481 * builtins.c (get_memory_rtx): Don't strip nops
3482 in between COMPONENT_REFs.
3484 2005-08-27 Andrew Pinski <pinskia@physics.uc.edu>
3487 * gimplify.c (gimplify_modify_expr_rhs): Remove check for zero sized
3489 (gimplify_modify_expr): Check for zero sized types and gimplify the
3490 rhs and lhs as statements.
3492 2005-08-27 John David Anglin <dave.anflin@nrc-cnrc.gc.ca>
3495 * pa/linux-unwind.h (pa32_fallback_frame_state): Use r0 slot in frame
3496 state for return address column of signal frames.
3498 2005-08-27 David Edelsohn <edelsohn@gnu.org>
3501 * config/rs6000/rs6000.c (expand_block_clear): Use HImode when
3502 bytes >= 2 not bytes == 2.
3503 (expand_block_move): Same.
3505 2005-08-27 Richard Guenther <rguenther@suse.de>
3508 * config/i386/sse.md (sse2_movsd): Add missing closing
3511 2005-08-27 Paul Brook <paul@codesourcery.com>
3513 * genrecog.c (enum decision_type): Add DT_num_insns.
3514 (struct decision_test): Add u.num_insns.
3515 (add_to_sequence): Add DT_num_insns test.
3516 (maybe_both_true_2, nodes_identical_1): Handle DT_num_insns.
3517 (write_cond, debug_decision_2): Ditto.
3518 (change_state): Assume peep2_next_insn never fails.
3519 Remove "afterward" argument.
3520 (write afterward, write_tree): Update to match.
3521 * recog.c (peep2_current_count): New variable.
3522 (peep2_next_insn): Check it.
3523 (peephole2_optimize): Set peep2_current_count.
3524 * recog.h (peep2_current_count): Declare.
3526 2005-08-26 Josh Conner <jconner@apple.com>
3529 * ipa-pure-const.c (check_tree): Check for volatile-ness
3530 when considering a dereference.
3532 2005-08-27 Jakub Jelinek <jakub@redhat.com>
3534 * rtl.h (MEM_IN_STRUCT_P): Fix comment typo.
3536 2005-08-26 Jakub Jelinek <jakub@redhat.com>
3538 PR rtl-optimization/23561
3539 * builtins.c (get_memory_rtx): Add LEN argument. If MEM_EXPR is
3540 a COMPONENT_REF, remove all COMPONENT_REF from MEM_EXPR unless
3541 at most LEN bytes long memory fits into the field.
3542 (expand_builtin_memcpy, expand_builtin_mempcpy, expand_movstr,
3543 expand_builtin_strncpy, expand_builtin_memset, expand_builtin_memcmp,
3544 expand_builtin_strcmp, expand_builtin_strncmp): Adjust callers.
3546 2005-08-26 Richard Henderson <rth@redhat.com>
3549 * loop.c (biased_biv_may_wrap_p): New.
3550 (maybe_eliminate_biv_1): Use it to suppress non-equality
3551 comparison transformations. Delete disabled code.
3553 2005-08-26 Ian Lance Taylor <ian@airs.com>
3555 * combine.c (make_extraction): Avoid reference outside object.
3557 2005-08-26 J"orn Rennecke <joern.rennecke@st.com>
3559 * stor-layout.c (finalize_type_size): Restore behaviour for
3560 non-aggregate types to the status quo ante of the patch for
3561 pr 23467. Document why it matters.
3563 2005-08-26 Jakub Jelinek <jakub@redhat.com>
3566 * c-common.c (c_common_nodes_and_builtins): Increase builtin_types
3567 array by one element, initialize the BT_LAST element with NULL.
3569 2005-08-26 David Edelsohn <edelsohn@gnu.org>
3571 * config/rs6000/rs6000.md (eq<mode>_compare): Only enable when
3572 optimizing for size.
3574 (compare_plus_eqsi): Same.
3575 (plus_eqsi_compare): Same.
3576 (neg_eq0<mode>): Same.
3577 (neg_eq<mode>): Same.
3579 * config/rs6000/aix52.h (PROCESSOR_DEFAULT): Change to
3582 2005-08-26 Nick Clifton <nickc@redhat.com>
3584 * config/v850/v850.c (ep_memory_operand): Return FALSE if
3585 TARGET_EP is not defined.
3586 * config/v850/c850.h (TARGET_CPU_CPP_BUILTINS): Define __EP__ if
3587 TARGET_EP is enabled.
3588 (OPTIMIZATION_OPTIONS): Do not define MASK_EP when optimizing.
3589 * config/v850/v850.md (save_all_interrupt): Only use the EP
3590 register if TARGET_EP is defined.
3591 (restore_all_interrupt): Likewise.
3592 * config/v850/lib1funcs.asm: Update functions so that the EP
3593 register is only used if __EP__ is defined.
3595 2005-08-26 David Ung <davidu@mips.com>
3597 * config/mips/mips.c (mips_expand_prologue): Handle case when
3598 generating for MIPS16 and the outgoing argument area is more than
3599 SMALL_OPERAND. Use the frame pointer as temporary to generate the
3602 2005-08-26 Paul Woegerer <paul.woegerer@nsc.com>
3604 * config/crx/crx.md: Make doloop_end pattern usage controllable
3605 via mloop-nesting=<max-nesting> command line switch. Make sure
3606 the combiner cannot use doloop_end_<mode> in an illegal way.
3607 * config/crx/crx.c: Use regs up to r6 for argument passing.
3608 Refine crx_address_cost (non cst4 displacements are expensive).
3609 * config/crx/crx.opt: Add switch for mloop-nesting=.
3611 2005-08-26 Adrian Straetling <straetling@de.ibm.com>
3613 * config/s390/s390.md: ("movstr", "*movstr"): Add patterns.
3614 (UNSPEC_MVST): New constant.
3616 2005-08-26 Andreas Krebbel <krebbel1@de.ibm.com>
3618 * config/s390/predicates.md ("shift_count_operand", "setmem_operand"):
3619 Reject operands containing eliminable registers.
3620 * testsuite/gcc.dg/20050825-1.c: New testcase.
3622 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
3623 Jan Hubicka <jh@suse.cz>
3625 * regmove.c (reg_is_remote_constant_p): Reorganize to not use log links.
3627 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
3629 PR tree-optimization/23546
3630 * tree-ssa-loop-im.c (for_each_index): Handle INTEGER_CST
3633 2005-08-24 Pete Steinmetz <steinmtz@us.ibm.com>
3635 * params.def (PARAM_MIN_SPEC_PROB): New.
3636 * sched-rgn.c (MIN_PROBABILITY): Delete.
3637 (compute_trg_info): Convert to PARAM_VALUE.
3638 * doc/invoke.texi (param): Document min-spec-prob.
3640 2005-08-24 Fariborz Jahanian <fjahanian@apple.com>
3642 * config/darwin.h: define __PIC__
3643 * config/rs6000/darwin.h: Add SUBTARGET_OS_CPP_BUILTINS to
3644 TARGET_OS_CPP_BUILTINS macro.
3646 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
3648 * config/rs6000/rs6000.md: Fix thinko in the peephole2 I added
3651 2005-08-24 Zdenek Dvorak <dvorakz@suse.cz>
3653 * bb-reorder.c (copy_bb, duplicate_computed_gotos): Add argument
3655 * cfghooks.c (duplicate_block): Added position where to place
3656 new block as argument.
3657 * cfghooks.h (duplicate_block): Declaration changed.
3658 * cfglayout.c (copy_bbs): Add argument after. Pass it to
3660 * cfglayout.h (copy_bbs): Declaration changed.
3661 * cfgloop.h (loop_version): Declaration changed.
3662 * cfgloopmanip.c (duplicate_loop_to_header_edge): Pass
3663 position to copy_bbs.
3664 (loop_version): Pass position to duplicate_loop_to_header_edge.
3665 Add place_after argument and position new blocks according to
3667 * modulo-sched.c (sms_schedule): Pass place_after argument
3669 * tracer.c (tail_duplicate): Pass argument to duplicate_block.
3670 * tree-cfg.c (split_edge_bb_loc): New function.
3671 (tree_split_edge, tree_duplicate_sese_region): Use split_edge_bb_loc
3672 to determine position of new blocks.
3673 * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass argument
3675 * tree-ssa-threadupdate.c (create_block_for_threading): Pass
3676 argument to duplicate_block.
3677 * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg):
3678 Pass position to copy_bbs.
3680 2005-08-24 Zdenek Dvorak <dvorakz@suse.cz>
3682 * fold-const.c (ptr_difference_const): Use
3683 cst_and_fits_in_hwi instead of host_integerp.
3685 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
3687 * config/darwin.c (gen_pic_offset): New.
3688 (machopic_indirect_data_reference, machopic_legitimize_pic_address):
3691 2005-08-23 Zdenek Dvorak <dvorakz@suse.cz>
3693 PR tree-optimization/23486
3694 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_update_ssa_only_virtuals.
3696 2005-08-23 Phil Edwards <phil@codesourcery.com>
3698 * config.gcc (*-*-vxworks*): Update tm_file, add extra_options,
3699 remove use_collect2.
3700 (powerpc-wrs-vxworks): Update, split out *-*-vxworksae target.
3702 * target-def.h (TARGET_HAVE_CTORS_DTORS): Allow target
3703 configuration files to override the default value.
3705 * config/t-vxworks: Remove INSTALL_ASSERT_H. Define STMP_FIXPROTO,
3706 EXTRA_HEADERS, and EXTRA_MULTILIB_PARTS.
3707 * config/vx-common.h: New file, split out from...
3708 * config/vxworks.h: here. Update for VxWorks 6.x and RTP mode.
3709 * config/vxworksae.h: New file, for VxWorks AE.
3710 * config/vxworks.opt: New file.
3711 * config/vxlib.c: Update for VxWorks 6.
3713 * config/rs6000/t-vxworks (MULTILIB_OPTIONS): New list. Adjust
3714 other MULTILIB_* variables appropriately.
3715 (LIB2FUNCS_EXTRA, EXTRA_MULTILIB_PARTS): Correct from t-ppccomm.
3716 * config/rs6000/t-vxworksae: New file, adjust multilibs for AE.
3717 * config/rs6000/vxworks.h: Update for VxWorks 6.
3718 * config/rs6000/vxworksae.h: New file, mostly placeholder for now.
3720 2005-08-23 Andrew Pinski <pinskia@physics.uc.edu>
3723 * config/darwin.c (machopic_select_section): Remove the hack to
3724 mark "::operator new" and "::operator delete" for coalescing
3725 even though they are not weak.
3727 2005-08-24 Alan Modra <amodra@bigpond.net.au>
3729 * configure.ac (HAVE_LD_NO_DOT_SYMS): Set for powerpc-linux biarch.
3730 * configure: Regenerate.
3732 2005-08-23 Paolo Bonzini <bonzini@gnu.org>
3735 * fold-const.c (fold_convert): Use VIEW_CONVERT_EXPR to convert
3737 * convert.c (convert_to_integer, convert_to_vector): Likewise.
3738 * tree-vect-generic.c (tree_vec_extract, expand_vector_operations_1):
3741 2005-08-23 Paolo Bonzini <bonzini@gnu.org>
3743 * config/rs6000/predicates.md (equality_operator): New.
3744 * config/rs6000/rs6000.md: Rewrite as a peephole2 the split for
3745 comparison with a large constant.
3747 2005-08-23 Mark Mitchell <mark@codesourcery.com>
3749 * hwint.h (HOST_WIDE_INT_PRINT): Use HOST_LONG_LONG_FORMAT.
3751 2005-08-23 J"orn Rennecke <joern.rennecke@st.com>
3753 * sh.c (sh_builtin_saveregs): If the number of to-be-saved fp
3754 registers is even, and we have a hardware double precision fp,
3756 (sh_gimplify_va_arg_expr): For floating point arguments, consider
3757 size of current argument when checking if argument was passed in
3760 * sh.c (sh_attr_renesas_p): Handle error_mark_node.
3763 * stor-layout.c (finalize_type_size): Dont override
3764 existing alignment with a smaller alignment from the mode.
3766 2005-08-23 Sebastian Pop <pop@cri.ensmp.fr>
3768 * lambda-code.c (lambda_vector_lexico_pos): Moved...
3769 * lambda.h (lambda_vector_lexico_pos): ... here.
3770 * tree-data-ref.c (build_classic_dist_vector): Return false when
3771 the distance vector is lexicographically negative.
3773 2005-08-23 Sebastian Pop <pop@cri.ensmp.fr>
3775 PR tree-optimization/23511
3776 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Don't
3777 handle cases where TYPE_MIN_VALUE or TYPE_MAX_VALUE are NULL_TREE.
3779 2005-08-23 Jakub Jelinek <jakub@redhat.com>
3781 PR tree-optimization/22043
3782 * tree.h (count_type_elements): Add ALLOW_FLEXARR argument.
3783 * expr.c (count_type_elements): Add ALLOW_FLEXARR argument.
3784 If ALLOW_FLEXARR, handle types ending with flexible array member.
3785 Pass false as second argument to recursive count_type_elements calls.
3786 (categorize_ctor_elements_1, mostly_zeros_p): Pass false as second
3787 argument to count_type_elements call.
3788 * tree-sra.c (decide_block_copy): Likewise.
3789 * gimplify.c (gimplify_init_constructor): If num_type_elements < 0
3790 for a constant-sized object, set cleared as well. Pass true as
3791 second argument to count_type_elements call.
3793 2005-08-23 Alan Modra <amodra@bigpond.net.au>
3796 * config/rs6000/rs6000.c (rs6000_legitimate_small_data_p): Rename
3797 from legitimate_small_data_p, and make global. Update use.
3798 Remove forward declaration.
3799 * config/rs6000/rs6000-protos.h (rs6000_legitimate_small_data_p):
3801 * config/rs6000/rs6000.md (movdf_hardfloat32): Allow small data mems.
3803 2005-08-23 David Edelsohn <edelsohn@gnu.org>
3805 * config/rs6000/rs6000.md (eq<mode>): Use output operand instead
3806 of scratch intermediates.
3807 (eq<mode>_compare): Same.
3808 (neg_eq0<mode>): New.
3809 (neg_eq<mode>): Convert to define_insn_and_split.
3811 2005-08-23 Alan Modra <amodra@bigpond.net.au>
3814 * config/rs6000/rs6000.c (function_arg): For ABI_V4 calls to
3815 stdarg functions, set/clear the fp marker even when no variable
3817 * config/rs6000/sysv4.opt (mprototype): Describe.
3819 2005-08-22 Jakub Jelinek <jakub@redhat.com>
3821 PR rtl-optimization/23478
3822 * regs.h (reg_info): Add throw_calls_crossed.
3823 (REG_N_THROWING_CALLS_CROSSED): Define.
3824 * flow.c (allocate_reg_life_data): Initialize
3825 REG_N_THROWING_CALLS_CROSSED.
3826 (propagate_one_insn, attempt_auto_inc): Update
3827 REG_N_THROWING_CALLS_CROSSED.
3828 * global.c (global_alloc): Don't allocate pseudos across
3829 calls that may throw.
3831 2005-08-22 Andrew Pinski <pinskia@physics.uc.edu>
3834 * c-common.c (c_do_switch_warnings): Look for a node where the enum's
3835 value is inbetween the range if we did not find an exact match.
3837 2005-08-22 Aldy Hernandez <aldyh@redhat.com>
3839 * doc/invoke.texi (Option Summary): Add ms1 options.
3840 * doc/extend.texi: Document interrupt handler attribute for ms1.
3841 * doc/md.texi: Document ms1 constraints.
3842 * config.gcc: Add ms1-*-elf.
3843 * config/ms1/ms1.h: New.
3844 * config/ms1/ms1.c: New.
3845 * config/ms1/ms1.md: New.
3846 * config/ms1/ms1-protos.h: New.
3847 * config/ms1/ABI.txt: New.
3848 * config/ms1/crti.asm: New.
3849 * config/ms1/crtn.asm: New.
3850 * config/ms1/lib2extra-funcs.c: New.
3851 * config/ms1/t-ms1: New.
3852 * config/ms1/ms1.opt: New.
3854 2005-08-22 Ira Rosen <irar@il.ibm.com>
3856 * config/rs6000/altivec.md (xorv4sf3): New.
3857 (negv4sf2, neg<mode>2): Likewise.
3859 2005-08-21 H.J. Lu <hongjiu.lu@intel.com>
3862 * config/ia64/ia64.md (divsi3): Check divide by zero.
3863 (udivsi3): Likewise.
3865 (udivdi3): Likewise.
3867 2005-08-21 Jakub Jelinek <jakub@redhat.com>
3869 * simplify-rtx.c (simplify_immed_subreg) <case CONST_DOUBLE>: Only clear
3870 up to elem_bitsize bits, not max_bitsize.
3872 2005-08-21 Sebastian Pop <pop@cri.ensmp.fr>
3874 PR tree-optimization/23433
3875 * tree-chrec.c (chrec_apply): Translate INTEGER_CST to a
3876 REAL_CST when the type is SCALAR_FLOAT_TYPE_P.
3878 2005-08-21 Sebastian Pop <pop@cri.ensmp.fr>
3880 PR tree-optimization/23434
3881 * tree-ssa-loop-niter.c (proved_non_wrapping_p): Give up when
3882 the iteration bound is not an INTEGER_CST.
3884 2005-08-21 Dorit Nuzman <dorit@il.ibm.com>
3886 * tree-vect-transform.c (get_initial_def_for_reduction): Set
3887 need_epilog_adjust back to false for MIN/MAX case. Set *scalar_def to
3888 NULL if need_epilog_adjust is false.
3889 (vect_create_epilog_for_reduction): Variable adjust_in_epilog removed.
3890 Case 3 always peels first itration, not just for PLUS case, and no need
3891 to use scalar_initial_def here. Create an epilog adjustment only if
3892 scalar_initial_def is not NULL.
3894 (vectorizable_reduction): Remove assert.
3896 2005-08-20 H.J. Lu <hongjiu.lu@intel.com>
3899 * config/ia64/lib1funcs.asm (__divdi3): Check divide by zero.
3900 (__moddi3): Likewise.
3901 (__udivdi3): Likewise.
3902 (__umoddi3): Likewise.
3903 (__divsi3): Likewise.
3904 (__modsi3): Likewise.
3905 (__udivsi3): Likewise.
3906 (__umodsi3): Likewise.
3908 2005-08-20 Jakub Jelinek <jakub@redhat.com>
3910 * tree-pass.h (TDF_GRAPH): Define.
3911 * tree-dump.c (dump_options): Don't set TDF_GRAPH in "all".
3912 * passes.c (finish_optimization_passes): Only call
3913 finish_graph_dump_file if TDF_GRAPH is set.
3914 (execute_one_pass): Only call clean_graph_dump_file if dump_file !=
3915 NULL. Set TDF_GRAPH bit.
3916 (execute_todo): Call print_rtl_graph_with_bb if TDF_GRAPH is set.
3918 2005-08-20 Richard Earnshaw <richard.earnshaw@arm.com>
3920 * arm.h (arm_stack_offsets): Add locals_base field.
3921 * arm.c (arm_get_frame_offsets): Compute it.
3922 (thumb_compute_initial_elimination offset): Make the Thumb frame
3923 pointer point to the base of the local variables.
3924 (thumb_expand_prologue): Update accordingly.
3925 (thumb_expand_epilogue): Likewise.
3927 * arm.md (thumb_movhi_clobber): Make this insn a define_expand. Change
3928 mode of clobbered scratch to DImode. Handle a case that's known to
3931 2005-08-19 David Edelsohn <edelsohn@gnu.org>
3933 * config/rs6000/rs6000.md (gt0<mode>): Delete.
3934 (gt0<mode>_compare): Delete.
3935 (neg_gt0<mode>): Delete.
3937 2005-08-19 Eric Christopher <echristo@apple.com>
3939 * optabs.h: Change CTI_ to COI_.
3942 2005-08-19 James E Wilson <wilson@specifix.com>
3944 * builtins.c (expand_builtin_return_addr): Set
3945 current_function_accesses_prior_frames when count != 0. Use
3946 frame_pointer_rtx when count == 0.
3947 * function.h (struct function): Add accesses_prior_frames field.
3948 (current_function_accesses_prior_frames): Define.
3949 * reload1.c (init_elim_table): Check
3950 current_function_accesses_prior_frames.
3951 * doc/tm.texi (INITIAL_FRAME_ADDRESS_RTX): Update docs.
3953 2005-08-19 Diego Novillo <dnovillo@redhat.com>
3955 * tree-cfgcleanup.c (cleanup_tree_cfg): Fix flowgraph change
3956 indicator. Return true if the flowgraph changed during
3959 2005-08-19 Diego Novillo <dnovillo@redhat.com>
3962 * tree-cfgcleanup.c (cleanup_control_expr_graph): Fold the
3963 conditional expression before testing its value.
3965 2005-08-19 Diego Novillo <dnovillo@redhat.com>
3967 * doc/invoke.texi: Fix documentation for -ftree-dominator-opts.
3969 2005-08-19 Devang Patel <dpatel@apple.com>
3971 PR tree-optimization/23048
3972 * tree-if-conv.c (if_convertible_bb_p): Supply basic_block as
3973 third parameter. Check whether latch is dominated by exit
3975 (if_convertible_loop_p): Supply exit block itself to
3976 if_convertible_bb_p.
3978 2005-08-19 Richard Earnshaw <richard.earnshaw@arm.com>
3981 * arm.md (arm_load_pic_register): Change argument to the mask of
3982 saved registers. Call thumb_find_work_register if we need a
3983 scratch register on Thumb.
3984 (arm_expand_prologue): Pass empty register set to
3985 arm_load_pic_register.
3986 (thumb_expand_prologue): Pass live_regs_mask directly to
3987 arm_load_pic_register.
3988 * arm-protos.h (arm_load_pic_register): Update prototype.
3990 2005-08-19 J"orn Rennecke <joern.rennecke@st.com>
3992 * sh.c (find_sole_member): New function.
3993 (sh_gimplify_va_arg_expr): Use it. Allow RECORD_TYPE mode mismatch
3994 if the record's alignment is larger than the size of its only member.
3996 2005-08-19 Richard Earnshaw <richard.earnshaw@arm.com>
3999 * arm.c (thumb_legitimize_reload_address): New function.
4000 * arm-protos.h (thumb_legitimize_reload_address): Add prototype.
4001 * arm.h (THUMB_LEGITIMIZE_RELOAD_ADDRESS): Call it.
4003 2005-08-19 Paul Woegerer <paul.woegerer@nsc.com>
4005 * config/crx/crx.c: Implement crx_decompose_address. Reject
4006 symbolic displacements since CRX register relative adressing
4007 mode can't handle unsigned 32-bit values as displacements.
4008 * config/crx/crx.h: Simplify definitions, remove redundant
4009 parenthesis and obsolete macros.
4010 * config/crx/crx.opt: Add new switch for debugging addresses.
4011 * config/crx/crx-protos.h: Add new declarations for above.
4013 2005-08-19 Andrew Pinski <pinskia@physics.uc.edu>
4016 * gimple-low.c (block_may_fallthru): Handle CLEANUP_POINT_EXPR by
4019 2005-08-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4021 * collect2.c (dup2): Delete.
4022 * configure.ac: Don't check for dup2.
4024 * config.in, configure: Regenerate.
4026 2005-08-18 J"orn Rennecke <joern.rennecke@st.com>
4028 * sh.c (sh_gimplify_va_arg_expr): Loop to substitute a RECORD_TYPE
4029 record with the type of its only member.
4031 2005-08-18 David Edelsohn <edelsohn@gnu.org>
4033 * config/rs6000/rs6000.md (ltu<mode>_compare): Convert to
4034 define_insn_and_split.
4035 (plus_ltu<mode>_compare): Same.
4036 (gtu<mode>_compare): Same.
4037 (plus_gtu<mode>_compare): Same.
4039 2005-08-18 Dorit Nuzman <dorit@il.ibm.com>
4041 PR tree-optimization/22228
4042 * tree-ssa-loop (pass_vectorize): Add TODO_verify_loops to
4044 * tree-vect-transform.c (vect_transform_loop): Mark the variables that
4045 are recorded in vect_vnames_to_rename for renaming.
4046 * tree-vectorizer.c (vect_vnames_to_rename): New global bitmap.
4047 (slpeel_update_phi_nodes_for_guard1): Record virtual vars for renaming
4048 in vect_vnames_to_rename.
4049 (vectorize_loops): Allocate and free the vect_vnames_to_rename bitmap.
4050 * tree-vectorizer.h (vect_vnames_to_rename): New extern variable.
4052 2005-08-18 Jan Hubicka <jh@suse.cz>
4055 * cgraphunit.c (cgraph_varpool_assemble_pending_decls): Emit debug
4056 info only for local statics, not for member variables.
4058 2005-08-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4060 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Fix comment typo.
4062 2005-08-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4064 * c-typeck.c (designator_errorneous): Rename to designator_erroneous.
4066 2005-08-18 Andrew Pinski <pinskia@physics.uc.edu>
4069 * builtins.c (fold_builtin): Create a new NOP_EXPR all the time.
4071 2005-08-17 James E Wilson <wilson@specifix.com>
4073 * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
4076 2005-08-17 David Edelsohn <edelsohn@gnu.org>
4078 * config/rs6000/rs6000.md (leu<mode>): Convert to mode macro.
4079 (leu<mode>_compare): Same.
4080 (plus_leu<mode>): Same.
4081 (neg_leu<mode>): Same.
4082 (and_neg_leu<mode): Same.
4083 (ltu<mode>_compare): Same.
4084 (plus_ltu<mode>): Same.
4086 (geu<mode>_compare): Same.
4087 (plus_geu<mode>): Same.
4088 (neg_geu<mode>): Same.
4089 (and_neg_geu<mode>): Same.
4090 (plus_gt<mode>): Same.
4091 (gtu<mode>_compare): Same.
4092 (plus_gtu<mode>): Same.
4094 2005-08-17 Erik Christiansen <erik@dd.nec.com.au>
4096 * config/v850/lib1funcs.asm (callt_save_interrupt): Fix comment typos.
4097 Move call_table_data to end. Delete spurious .text.
4098 (callt_save_all_interrupt): Fix comment typo.
4100 2005-08-17 James E Wilson <wilson@specifix.com>
4101 Kevin Winchester <winchester@amirix.com>
4104 * config/mcore/mcore.h (SHIFT_COUNT_TRUNCATED): Define to 0.
4106 2005-08-17 Uros Bizjak <uros@kss-loka.si>
4109 * config/i386/i386.md ("*fist<mode>2_1"): New pattern.
4110 ("lrint<mode>2"): Change expander to use "*fist<mode>2_1" pattern.
4112 2005-08-17 J"orn Rennecke <joern.rennecke@st.com>
4114 * sh.c (sh_gimplify_va_arg_expr): Don't substitute a RECORD_TYPE
4115 record with the type of its only member if the modes don't match.
4117 * varasm.c (decode_reg_name): Skip empty additional register names.
4119 2005-08-16 Zdenek Dvorak <dvorakz@suse.cz>
4121 * tree-ssa-loop-im.c (MAX_LSM_NAME_LENGTH, lsm_tmp_name,
4122 lsm_tmp_name_length): New.
4123 (lsm_tmp_name_add, gen_lsm_tmp_name, get_lsm_tmp_name): New functions.
4124 (schedule_sm): Use get_lsm_tmp_name instead of "lsm_tmp".
4126 2005-08-16 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
4127 Andreas Krebbel <krebbel1@de.ibm.com>
4129 * config.gcc: Added z9-109 switch.
4130 * config/s390/2084.md ("x_int", "x_agen", "x_lr", "x_la", "x_larl",
4131 "x_load", "x_store", "x_branch", "x_call", "x_mul_hi", "x_mul_sidi",
4132 "x_div", "x_sem", "x_cs", "x_vs", "x_stm", "x_lm", "x_other",
4133 "x_fsimpdf", "x_fsimpsf", "x_fdivdf", "x_fdivsf", "x_floaddf",
4134 "x_floadsf", "x_fstore_df", "x_fstoresf", "x_ftoi", "x_itof"): Enable
4135 for "z9_109" cpu attribute.
4136 * config/s390/s390.c (z9_109_cost): New processor cost structure.
4137 (CONST_OK_FOR_Os, CONST_OK_FOR_Op, CONST_OK_FOR_On): New macros.
4138 (s390_handle_arch_option): Added z9-109 switch.
4139 (override_options): Set respective cost function for z9-109.
4140 (s390_const_ok_for_constraint_p): New constraints Os, Op, On.
4141 (legitimate_reload_constant_p): Accept extended immediates.
4142 (print_operand): Three new output modifiers added: k, m and o.
4143 (s390_adjust_priority, s390_issue_rate): Handle Z9_109 like Z990.
4144 (s390_output_mi_thunk): Use extended immediate when possible.
4145 * config/s390/s390.h (processor_flags): Added PF_EXTIMM.
4146 (TARGET_CPU_EXTIMM, TARGET_EXTIMM): New macros.
4147 (CONSTRAINT_LEN): Added length of O constraint.
4148 (CLZ_DEFINED_VALUE_AT_ZERO): Definition added.
4149 * config/s390/s390.md ("cpu"): New value z9_109 added.
4150 ("*tstdi_extimm", "*tstdi_ccconly_extimm", "*tstsi_extimm",
4151 "*tstsi_cconly_extimm", "*movdi_64extimm", "*extendhidi2_extimm",
4152 "*extendqidi2_extimm", "*extendhisi2_extimm", "*extendqisi2_extimm",
4153 "*zero_extend<mode>si2_extimm", "*anddi3_extimm", "*iordi3_extimm",
4154 "*xordi3_extimm", "clzdi2", "clztidi2"): New patterns.
4155 ("*tstdi", "*tstsi", "*movdi_64", "*extendhisi2", "*extendqisi2",
4156 "*zero_extend<mode>si2_64", "zero_extendqihi2", "*zero_extendqihi2_64",
4157 "*anddi3", "*iordi3", "*xordi3"): Disable for TARGET_EXTIMM.
4158 ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs", "*cmpsi_ccs", "*cmpdi_ccu",
4159 "*cmpsi_ccu", "*movsi_zarch", "*adddi3_imm_cc", "*adddi3_carry1_cc",
4160 "*adddi3_carry2_cc", "*adddi3_cc", "*adddi3_64", "*addsi3_imm_cc",
4161 "*addsi3_carry1_cc", "*addsi3_carry2_cc", "*addsi3_cc", "addsi3",
4162 "*andsi3_cc", "*andsi3_cconly", "*andsi3_zarch", "*iorsi3_cc",
4163 "*iorsi3_cconly", "*iorsi3_zarch", "*xorsi3_cc", "*xorsi3_cconly",
4164 "*xorsi3", "*xorhi3", "*xorqi3"): Added instruction using extended
4166 ("extend<mode>di2", "extend<mode>si2", "zero_extend<mode>di2",
4167 "zero_extend<mode>si2"): Allow memory operands and don't manually emit
4168 insns for TARGET_EXTIMM.
4170 2005-08-17 Andreas Krebbel <krebbel1@de.ibm.com>
4172 * testsuite/gcc.dg/20020926-1.c: Added "-mesa" to dg-options.
4174 2005-08-17 Nick Clifton <nickc@redhat.com>
4176 * config/stormy16/stormy16.c (xstormy16_encode_section_info):
4177 Call default_encode_section_info.
4179 2005-08-17 Steven Bosscher <stevenb@suse.de>
4181 PR tree-optimization/21574
4182 * tree-ssa-ccp.c (likely_value): If the right hand side is a
4183 constant, return CONSTANT.
4184 (ccp_lattice_meet): Use operand_equal_p instead of simple_cst_equal.
4185 (ccp_fold, visit_assignment): Likewise.
4186 (evaluate_stmt): Handle UNDEFINED and UNKNOWN_VAL the same way.
4188 2005-08-16 James A. Morrison <phython@gcc.gnu.org>
4190 * c-typeck.c (build_function_call): Call fold_buildN_initializer or
4191 fold_buildN instead of buildN then fold_initializer or fold.
4192 (build_unary_op): Likewise.
4193 (build_binary_op): Likewise.
4194 * fold-const.c (fold_initializer): Remove.
4195 (fold_build1_initializer): New function.
4196 (fold_build2_initializer): New function.
4197 (fold_build3_initializer): New function.
4198 * tree.h (fold_initializer): Remove.
4199 (fold_build1_initializer): New function.
4200 (fold_build2_initializer): New function.
4201 (fold_build3_initializer): New function.
4203 2005-08-16 James A. Morrison <phython@gcc.gnu.org>
4205 * fold-const.c (optimize_bit_field_compare): Remove extra fold call.
4206 (try_move_mult_to_index): Call fold_build2 instead of build2.
4207 (fold_binary): Don't call fold after calls to try_move_mult_to_index.
4208 * tree-ssa-loop-niter.c (inverse): Call int_const_binop instead of
4209 fold_binary_to_constant.
4210 (infer_loop_bounds_from_undefined): Call fold_build2 instead of
4212 * tree-data-ref.c (tree_fold_divides_p): Use tree_int_cst_equal to
4213 check if A == gcd (A, B). Remove TYPE argument.
4214 (analyze_offset) Use fold_build2 instead of fold (build.
4215 (create_data_ref): Likewise.
4216 (analyze_siv_subscript_cst_affine): Update calls to tree_fold_divides_p.
4217 * tree-ssa-ccp.c (widen_bitfield): Call fold_build2 instead of build2
4220 2005-08-17 Kelley Cook <kcook@gcc.gnu.org>
4222 * config/arm/unaligned-funcs.c,config/i386/crtfastmath.c,
4223 ipa-cp.c,ipa-prop.c,ipa-prop.h: Update FSF address.
4225 2005-08-16 Andrew Pinski <pinskia@physics.uc.edu>
4228 * gimplify.c (zero_sized_type): New function.
4229 (gimplify_modify_expr_rhs): If we have a zero sized type,
4230 replace the statement with an empty statement.
4232 2005-08-16 H.J. Lu <hongjiu.lu@intel.com>
4234 * config/i386/crtfastmath.c (set_fast_math): Add "=m" for
4237 2005-08-16 Ian Lance Taylor <ian@airs.com>
4239 * doc/tm.texi (Label Output): Correct typo.
4241 2005-08-16 Steven Bosscher <stevenb@suse.de>
4244 * loop-unroll.c (analyze_insn_to_expand_var): Make sure that
4245 force_operand will work later on using have_insn_for.
4247 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4249 * fold-const.c (tree_expr_nonnegative_p): Regroup cases.
4251 2005-08-16 Ian Lance Taylor <ian@airs.com>
4254 * gimplify.c (gimplify_init_ctor_eval): If we see an element of
4255 vector type, don't try to construct it element by element. Add an
4256 assertion that we use a FIELD_DECL when building a COMPONENT_REF.
4258 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4260 * fold-const.c (fold_ternary): Simplify folding of a CALL_EXPR.
4262 2005-08-16 Geoffrey Keating <geoffk@apple.com>
4264 * doc/invoke.texi (Precompiled Headers): Document some more options
4265 which are known to be safe.
4267 2005-08-16 James E Wilson <wilson@specifix.com>
4269 PR tree-optimization/21105
4270 * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
4271 TREE_OVERFLOW check.
4273 2005-08-16 David Edelsohn <edelsohn@gnu.org>
4275 * config/rs6000/rs6000.md (ltu<mode>): Convert to mode macro.
4276 (neg_ltu<mode>): Same.
4278 (neg_gtu<mode>): Same.
4280 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4282 * builtins.c (expand_builtin_strcat): Remove superfluous call to fold.
4283 (fold_builtin_isdigit): Use fold_buildN.
4284 (build_function_call_expr): Likewise.
4285 * c-typeck.c (c_finish_loop): Likewise.
4287 2005-08-16 J"orn Rennecke <joern.rennecke@st.com>
4288 Richard Shann <rshann@superh.com>
4290 PR middle-end/20396:
4291 * optabs.c (expand_binop): Take TRULY_NOOP_TRUNCATION into account.
4293 2005-08-16 Sebastian Pop <pop@cri.ensmp.fr>
4295 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Reword a comment.
4297 2005-08-15 Richard Earnshaw <richard.earnshaw@arm.com>
4300 * arm.c (thumb_compute_save_reg_mask): Use similar logic to
4301 arm_compure_save_reg0_reg12_mask to determine when the PIC register
4304 2005-08-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4307 * fold-const.c (build_range_check): Disable optimization for function
4308 pointer expressions on targets that require function pointer
4311 2005-08-15 Ulrich Weigand <uweigand@de.ibm.com>
4313 * simplify-rtx.c (simplify_const_relational_operation): When
4314 extracting arguments of a COMPARE, recompute the mode as well.
4316 2005-08-15 Ian Lance Taylor <ian@airs.com>
4318 * tree.c (build_string): Mark tree CONSTANT and INVARIANT.
4320 2005-08-15 DJ Delorie <dj@redhat.com>
4322 * config/m32c/mov.md (movqi_op): Immediates can't be moved to
4324 (movsi_splittable): Allow, but split, moves to the stack.
4325 * config/m32c/m32c.c (m32c_split_move): Always split moves to the
4328 2005-08-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4330 * aclocal.m4 (gcc_AC_FUNC_PRINTF_PTR): Delete.
4331 * configure.ac: Don't call gcc_AC_FUNC_PRINTF_PTR.
4332 * system.h (HOST_PTR_PRINTF): Don't define, poison it.
4334 * bitmap.c, c-decl.c, config/i386/i386-interix.h,
4335 config/iq2000/iq2000.c, mips-tfile.c, print-rtl.c, print-tree.c:
4336 Delete HOST_PTR_PRINTF.
4338 * configure, config.in: Regenerate.
4340 2005-08-15 David Edelsohn <edelsohn@gnu.org>
4342 * config/rs6000/rs6000.md (QHSI): New mode macro.
4343 (wd): Extend mode attr for QImode and HImode
4344 (dbits): New mode attr.
4345 (zero_extend<mode>di2): Convert to mode macro.
4347 2005-08-15 Steve Ellcey <sje@cup.hp.com>
4350 * doc/invoke.texi (-mgnu-ld): Update description.
4353 2005-08-15 Sebastian Pop <pop@cri.ensmp.fr>
4356 * Makefile.in (tree-chrec.o): Depends on real.h.
4357 * tree-chrec.c: Include real.h.
4358 (chrec_fold_plus_poly_poly, chrec_fold_multiply_poly_poly,
4359 chrec_fold_plus_1): Use build_real for SCALAR_FLOAT_TYPE_P.
4360 * tree-scalar-evolution.c (add_to_evolution_1,
4361 interpret_rhs_modify_expr): Ditto.
4363 2005-08-15 Sebastian Pop <pop@cri.ensmp.fr>
4366 * tree-data-ref.c (estimate_niter_from_size_of_data): When
4367 step is negative compute the estimation from init downwards to zero.
4369 2005-08-14 James A. Morrison <phython@gcc.gnu.org>
4371 * fold-const (fold_binary): Call fold_build2 instead of fold (build.
4373 2005-08-14 Ulrich Weigand <uweigand@de.ibm.com>
4375 * config/s390/s390.c (s390_const_ok_for_constraint_p): Add 'P'
4377 (legitimate_reload_constant_p): Fix handling of lliXX operands.
4378 Accept double-word constants that can be split.
4379 * config/s390/s390.md ("movti"): Use 'P' constraint.
4380 ("*movdi_31", "*movdf_31"): Likewise.
4382 2005-08-14 Daniel Berlin <dberlin@dberlin.org>
4384 Fix PR tree-optimization/22615
4386 * tree-ssa-structalias.c (solution_set_add): Handle
4387 first_vi_for_offset returning NULL.
4388 (do_da_constraint): Ditto.
4389 (do_sd_constraint): Ditto.
4390 (do_ds_constraint): Ditto
4391 (find_func_aliases): Ditto.
4392 (build_constraint_graph): RHS is allowed be ANYTHING.
4393 (first_vi_for_offset): Return NULL if we couldn't find anything at
4396 2005-08-14 Ulrich Weigand <uweigand@de.ibm.com>
4398 * config/s390/s390.c (s390_canonicalize_comparison): Prefer register
4399 over memory as first operand.
4401 2005-08-14 H.J. Lu <hongjiu.lu@intel.com>
4404 * config/i386/crtfastmath.c (set_fast_math): Check if DAZ is
4405 available for setting it.
4407 2005-08-14 Ira Rosen <irar@il.ibm.com>
4409 PR tree-optimization/23320
4410 * tree-data-ref.c (base_addr_differ_p): Add comment. Check
4411 data-refs' types instead of base object nullness. Add check for
4412 pointer type data-refs before first location comparison. Remove
4415 2005-08-14 Andreas Schwab <schwab@suse.de>
4417 * doc/md.texi (Machine Constraints): Fix misplaced @end table.
4419 2005-08-13 James E Wilson <wilson@specifix.com>
4421 * doc/cpp.texi (__SSP__, __SSP_ALL__): Document.
4422 * doc/invoke.texi (-Wstack-protector, -fstack-protector,
4423 -fstack-protector-all, --param ssp-buffer-size): Document.
4424 (-Wvariadic-macros): Alphabetize.
4425 (-fsched-stalled-insns-dep): Add missing 'f'.
4427 * c-cppbuiltin.c (c_cpp_builtins): Add comment for flag_stack_protect
4430 2005-08-13 David Edelsohn <edelsohn@gnu.org>
4432 * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'a' for indexed
4433 or indirect address operand.
4434 (EXTRA_ADDRESS_CONSTRAINT): New.
4435 * config/rs6000/rs6000.md (prefetch): Change constraint "p" to "a".
4437 2005-08-13 Sebastian Pop <pop@cri.ensmp.fr>
4439 PR tree-optimization/22236
4440 * tree-cfg.c (print_pred_bbs, print_succ_bbs): Correctly print
4441 successors and predecessors.
4442 * tree-chrec.c (chrec_convert): Before converting, check that
4443 sequences don't wrap.
4444 * tree-data-ref.c (compute_estimated_nb_iterations): Moved ...
4445 (analyze_array): Extern.
4446 (find_data_references_in_loop): Remove call to
4447 compute_estimated_nb_iterations.
4448 * tree-data-ref.h (analyze_array): Declared.
4449 * tree-flow-inline.h (single_ssa_tree_operand, single_ssa_use_operand,
4450 single_ssa_def_operand, zero_ssa_operands): Fix documentation.
4451 * tree-flow.h (scev_probably_wraps_p): Declare with an extra parameter.
4452 * tree-scalar-evolution.c (instantiate_parameters_1): Factor entry
4454 * tree-ssa-loop-ivcanon.c: Fix documentation.
4455 * tree-ssa-loop-ivopts.c (idx_find_step): Add a fixme note.
4456 * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): ... here.
4457 (infer_loop_bounds_from_undefined): New.
4458 (estimate_numbers_of_iterations_loop): Use
4459 infer_loop_bounds_from_undefined.
4460 (used_in_pointer_arithmetic_p): New.
4461 (scev_probably_wraps_p): Pass an extra parameter. Call
4462 used_in_pointer_arithmetic_p. Check that AT_STMT is not null.
4463 (convert_step): Fix documentation.
4464 * tree-vrp.c (adjust_range_with_scev): Call instantiate_parameters.
4465 Use initial_condition_in_loop_num and evolution_part_in_loop_num
4466 instead of CHREC_LEFT and CHREC_RIGHT. Adjust the call to
4467 scev_probably_wraps_p.
4469 2005-08-13 Ulrich Weigand <uweigand@de.ibm.com>
4471 * config/s390/s390.c (s390_split_branches): Revert 2005-08-12 change.
4472 (s390_register_info): Ignore clobbered_regs information for fixed
4473 registers, and only fixed registers.
4474 (s390_init_frame_layout): Remove redundant call.
4476 2005-08-12 Gerald Pfeifer <gerald@pfeifer.com>
4478 * doc/invoke.texi (C++ Dialect Options): Add dynamic_cast to
4479 description of -Wold-style-casts.
4481 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
4482 Jakub Jelinek <jakub@redhat.com>
4484 * config/s390/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
4485 * config/s390/s390-protos.h (s390_get_thread_pointer): Prototype added.
4486 * config/s390/s390.c (print_operand): New output modifier 'G' added.
4487 (get_thread_pointer): Renamed to s390_get_thread_pointer.
4488 * config/s390/s390.md (stack_protect_set, stack_protect_test): If
4489 TARGET_THREAD_SSP_OFFSET is defined, change operands[1] to
4490 (MEM:P (PLUS:P (tp, TARGET_THREAD_SSP_OFFSET))).
4491 (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
4492 ("stack_protect_set", "stack_protect_test"): New expanders.
4493 ("stack_protect_setsi", "stack_protect_setdi", "stack_protect_testsi",
4494 "stack_protect_testdi"): New insn definitions.
4496 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
4498 * config/s390/s390.md ("*movdf_31"): Changed constraint from P to K.
4500 2005-08-12 Paul Brook <paul@codesourcery.com>
4502 * config/arm/lib1funcs.asm: Error if __ARM_ARCH__ not set.
4504 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
4506 * config/s390/predicates.md (setmem_operand): New predicate.
4507 (shift_count_operand): Accept ANDs with special constants as
4509 * config/s390/s390.c (print_shift_count_operand): Skip ANDs
4510 with special constants.
4511 * config/s390/s390.md ("setmem_long", "*setmem_long"): Replaced
4512 shift_count_operand with setmem_operand.
4514 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
4516 * config/s390/s390.c (s390_extract_part, s390_single_part):
4518 (s390_const_ok_for_constraint_p): Added SImode to the N constraint.
4519 (s390_output_mi_thunk): Don't use lg on 31 bit.
4520 * config/s390/s390.md ("*movdi_31", "*movdf_31"): Added lmy and stmy.
4521 ("*llgt_sisi" and splitter): Replaced TARGET_64BIT with TARGET_ZARCH.
4523 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
4525 * config/s390/s390.c (CONST_OK_FOR_J, CONST_OK_FOR_K): New macros.
4526 (s390_select_ccmode, s390_rtx_costs, legitimate_reload_constant_p,
4527 s390_init_frame_layout, s390_emit_prologue, s390_emit_epilogue,
4528 s390_output_mi_thunk): Replaced uses of CONST_OK_FOR_CONSTRAINT_P
4529 with one of the new macros.
4531 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
4533 * config/s390/s390.c (s390_split_branches, s390_init_frame_layout):
4534 Don't set save_return_addr_p.
4535 (s390_register_info): Make clobbered_regs not depending on
4538 2005-08-12 Kaz Kojima <kkojima@gcc.gnu.org>
4540 * gcc.c (LINK_SSP_SPEC): Remove space before a trailing }.
4541 (LINK_COMMAND_SPEC): Add space after %(link_ssp).
4543 2005-08-11 James E. Wilson <wilson@specifix.com>
4545 * config/ia64/ia64.h (EXTRA_MEMORY_CONSTRAINT): New.
4547 2005-08-11 Jakub Jelinek <jakub@redhat.com>
4549 * dwarf2out.c (add_location_or_const_value_attribute): Prefer
4550 locations gathered by var-tracking in single entry loc_list
4551 over loc_descriptor_from_tree.
4553 * dwarf2out.c (concat_loc_descriptor): Add can_use_fbreg argument,
4554 pass it down to loc_descriptor.
4555 (loc_descriptor): Pass can_use_fbreg to concat_loc_descriptor.
4556 (containing_function_has_frame_base): Move earlier in the file.
4557 (loc_descriptor_from_tree_1): Use containing_function_has_frame_base
4558 instead of always assuming fbreg can't be used.
4560 2005-08-11 David Edelsohn <edelsohn@gnu.org>
4562 * config/rs6000/altivec.md: Change constraint "m" to "Z".
4563 * config/rs6000/predicates.md (indexed_or_indirect_operand):
4564 Accept address wrapped in AND for Altivec.
4565 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
4566 Strip AND wrapping offset address for Altivec.
4568 2005-08-11 Richard Henderson <rth@redhat.com>
4571 * gimplify.c (gimplify_one_sizepos): Check for INTEGER_TYPE
4572 before using TYPE_IS_SIZETYPE.
4574 2005-08-11 Richard Henderson <rth@redhat.com>
4577 * config/alpha/alpha.c (alphaev4_insn_pipe): Add take pipes for
4578 insn types not present on ev4.
4579 (alphaev5_insn_pipe): Similarly.
4581 2005-08-11 Richard Earnshaw <richard.earnshaw@arm.com>
4584 * arm.c (arm_override_options): If the user has selected callee-super-
4585 interworking, then enable normal interworking.
4587 2005-08-11 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4589 * config/i386/x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Undef before
4592 2005-08-11 Wu Zhou <woodzltc@cn.ibm.com>
4594 * doc/rtl.texi: Fix two typos.
4596 2005-08-11 Richard Guenther <rguenther@suse.de>
4599 * config/i386/i386.c (ix86_function_ok_for_sibcall): Handle
4600 cases where we call to/from functions returning void.
4602 2005-08-10 James A. Morrison <phython@gcc.gnu.org>
4605 * tree.c (build_pointer_type_for_mode): Robustify.
4607 2005-08-10 James E Wilson <wilson@specifix.com>
4609 * defaults.h, config/alpha/alpha.h, config/ia64/ia64.h
4610 (ASM_OUTPUT_ADDR_VEC_ELT): Delete.
4612 * config/alpha/alpha.c (alpha_arg_partial_bytes): Change "(CUM)." to
4615 2005-08-10 Eric Christopher <echristo@apple.com>
4617 * config/rs6000/rs6000.c (mems_ok_for_quad_peep): Rewrite.
4618 * config/rs6000/rs6000.md (*lfq_power2, *stfq_power2): Use
4621 2005-08-10 Andrew Pinski <pinskia@physics.uc.edu>
4624 * config/darwin.c (machopic_indirect_data_reference): Use a new register
4625 for the high part when generating dynamic-no-pic code.
4627 2005-08-10 H.J. Lu <hongjiu.lu@intel.com>
4629 * config.gcc (i[34567]86-*-linux*): Add i386/t-crtfm to tm-file.
4630 (x86_64-*-linux*): Likewise.
4632 * config/i386/crtfastmath.c: New file.
4633 * config/i386/t-crtfm: Likewise.
4635 * config/i386/linux.h (ENDFILE_SPEC): New.
4636 * config/i386/linux64.h (ENDFILE_SPEC): Likewise.
4638 * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
4641 2005-08-10 Dorit Nuzman <dorit@il.ibm.com>
4643 * doc/md.texi: (reduc_smin, reduc_umin, reduc_splus, reduc_uplus):
4644 (vec_shl, vec_shr): Document new operations.
4645 * tree.def (VEC_RSHIFT_EXPR, VEC_LSHIFT_EXPR): Fix comment.
4647 2005-08-10 David Edelsohn <edelsohn@gnu.org>
4649 * config/rs6000/predicates.md (indexed_or_indirect_address): New.
4650 * config/rs6000/rs6000.md (prefetch): Remove operand 0 mode and
4651 change predicate to indexed_or_indirect_address.
4653 2005-08-10 Richard Sandiford <richard@codesourcery.com>
4655 * config/arm/lib1funcs.asm (__aeabi_uidiv, __aeabi_idiv): New aliases.
4656 * config/arm/libgcc-bpabi.ver (GCC_3.5): Add __aeabi_idiv,
4657 __aeabi_uidiv, __aeabi_uread4, __aeabi_uread8, __aeabi_uwrite4
4658 and __aeabi_uwrite8.
4659 * config/arm/unaligned-funcs.c: New file.
4660 * config/arm/t-bpabi (LIB2FUNCS_EXTRA): Add unaligned-funcs.c.
4662 2005-08-09 Paolo Bonzini <bonzini@gnu.org>
4664 * bb-reorder.c (pass_duplicate_computed_gotos, pass_partition_blocks):
4666 * cfglayout.c (pass_insn_locators_initialize): Add dump.
4667 * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes):
4669 * except.c (pass_convert_to_eh_region_ranges): Add dump.
4670 * final.c (pass_shorten_branches): Add dump.
4671 * flow.c (pass_recompute_reg_usage, pass_remove_death_notes): Add dump.
4672 (pass_life): Rename dump.
4673 (rest_of_handle_flow2): Remove initial verify_flow_info.
4674 * function.c (pass_instantiate_virtual_regs): Add dump.
4675 * integrate.c (pass_initial_value_sets): Add dump.
4676 * jump.c (pass_cleanup_barriers, pass_purge_lineno_notes): Add dump.
4677 * loop-init.c (pass_rtl_loop_init, pass_rtl_loop_done): Rename dump.
4678 (pass_rtl_move_loop_invariants, pass_rtl_unswitch, pass_rtl_doloop,
4679 pass_rtl_unroll_and_peel_loops): Rename dump and add gate.
4680 (gate_rtl_move_loop_invariants, gate_rtl_unswitch, gate_rtl_doloop,
4681 gate_rtl_unrool_and_peel_loops): New.
4682 (rtl_move_loop_invariants, rtl_unswitch, rtl_unrool_and_peel_loops,
4683 rtl_doloop): Do not look at flags.
4684 * mode-switching.c (pass_mode_switching): Add dump.
4685 * recog.c (pass_split_all_insns, pass_split_for_shorten_branches,
4686 pass_split_before_regstack): Add dump.
4687 * regmove.c (pass_stack_adjustments): Add dump.
4688 * tree-optimize.c (pass_fixup_cfg): Add dump.
4690 2005-08-10 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
4693 * config/m32r/m32r.c (m32r_reload_lr): Fix off by one error when
4694 deciding which instruction sequence to use.
4696 2005-08-09 Dorit Nuzman <dorit@il.ibm.com>
4698 * tree-vect-transform.c (vect_create_epilog_for_reduction): Set
4699 BIT_FIELD_REF_UNSIGNED for newly created BIT_FIELD_REFs.
4701 2005-08-09 Richard Guenther <rguenther@suse.de>
4703 * c-common.c (builtin_function_2): Remove.
4704 (def_builtin_1): New function.
4705 (c_common_nodes_and_builtins): Use def_builtin_1 to
4706 build builtin functions.
4708 2005-08-09 Jie Zhang <jie.zhang@analog.com>
4710 * config/bfin/uclinux.h (NO_IMPLICIT_EXTERN_C): Define.
4711 * config/bfin/elf.h (NO_IMPLICIT_EXTERN_C): Define.
4712 * config/bfin/bfin.c (bfin_return_in_memory): Update to really match
4715 2005-08-09 James A. Morrison <phython@gcc.gnu.org>
4717 * tree-ssa-loop-niter.c (tree_simplify_using_condition_1): Use
4718 fold_binary instead of fold_build2 since we don't care about the
4720 (loop_niter_by_eval): Likewise.
4721 (compare_trees): Likewise.
4722 (proved_non_wrapping_p): Likewise.
4724 2005-08-09 James A. Morrison <phython@gcc.gnu.org>
4728 * c-typeck.c (c_finish_if_stmt): Look into STATEMENT_LISTs to see
4729 if the if is really empty.
4731 2005-08-09 Steven Bosscher <stevenb@suse.de>
4733 PR tree-optimization/23234
4734 * tree-ssa-math-opts.c (place_reciprocal): New enum.
4735 (execute_cse_reciprocals_1): Replace the 'phi' argument with an
4736 argument of the new enum.
4737 (execute_cse_reciprocals): Add reciprocals for function arguments
4738 on the unique successor edge of the entry block. Update other calls
4739 to execute_cse_reciprocals_1.
4741 2005-08-08 Richard Henderson <rth@redhat.com>
4744 * gimplify.c (gimplify_one_sizepos): Preserve the original type.
4746 2005-08-08 Bob Wilson <bob.wilson@acm.org>
4748 * expr.c (write_complex_part): Return after handling MEM.
4750 2005-08-08 Josh Conner <jconner@apple.com>
4752 PR rtl-optimization/23241
4753 * combine.c (simplify_comparison): Fix error in determining
4754 whether to lift a subreg from comparison.
4756 2005-08-08 David Edelsohn <edelsohn@gnu.org>
4759 * config/rs6000/altivec.md (vec_init<mode>): New.
4760 (vec_set<mode>): New.
4761 (vec_extract<mode>): New.
4762 * config/rs6000/rs6000.c (rs6000_expand_vector_init): New.
4763 (rs6000_expand_vector_set): New.
4764 (rs6000_expand_vector_extract): New.
4765 (rs6000_legitimate_offset_address_p): Offset addresses are valid
4766 for Altivec modes before reload.
4767 (altivec_expand_vec_init_builtin): New.
4768 (get_element_number): New.
4769 (altivec_expand_vec_set_builtin): New.
4770 (altivec_expand_vec_ext_builtin): New.
4771 (altivec_expand_builtin): Expand vec_init, vec_set, and vec_ext
4773 (altivec_init_builtins): Init vec_init, vec_set, and vec_ext
4775 * config/rs6000/rs6000.h (rs6000_builtins): Add
4776 ALTIVEC_BUILTIN_VEC_INIT_<mode>, ALTIVEC_BUILTIN_VEC_SET_<mode>,
4777 ALTIVEC_BUILTIN_VEC_EXT_<mode>.
4778 * config/rs6000/rs6000-protos.h: Declare new functions.
4780 2005-08-08 Jan Hubicka <jh@suse.cz>
4782 * i386.c (legitimate_pic_address_disp_p): Refuse GOTOFF in 64bit mode.
4783 (legitimate_address_p): Refuse GOT and GOTOFF in 64bit mode.
4784 * i386.md (movdi*): Use pic_32bit_operand.
4785 * predicates.md (pic_32bit_operand): New.
4787 2005-08-08 Nathan Sidwell <nathan@codesourcery.com>
4790 * stor-layout.c (finalize_type_size): Undo DECL_PACKED when possible.
4792 2005-08-07 James A. Morrison <phython@gcc.gnu.org>
4794 * tree-vrp.c (simplify_div_or_mod_using_range): Use build2.
4795 (test_for_singularity): Use fold_build2.
4797 2005-08-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4799 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Fix loop upper bound.
4801 2005-08-07 Danny Smith <dannysmith@users.sourceforge.net>
4803 * config/i386/cygming.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
4804 (COMMON_ASM_OP) Define.
4805 * config/i386/i386.c (ix86_in_large_data_p): Add ATTRIBUTE_UNUSED
4806 (ix86_encode_section_info): Likewise.
4807 (TARGET_ENCODE_SECTION_INFO): Conditionally define as
4808 SUBTARGET_ENCODE_SECTION_INFO.
4810 2005-08-06 Richard Henderson <rth@redhat.com>
4813 * tree-nested.c (convert_local_reference): Save and restore val_only
4814 around component_ref and friends. Clear walk_subtrees by default.
4816 2005-08-06 Peter O'Gorman <peter@pogma.com>
4819 * gcc.c (process_command): Check the argument to -b has a dash.
4820 * doc/invoke.texi: Update -b and -V docs.
4822 2005-08-06 James E Wilson <wilson@specifix.com>
4824 * config/mips/cross64.h, config/mips/t-cross64: Delete.
4826 2005-08-06 Michael Matz <matz@suse.de>
4828 * genattrtab.c (write_attr_get, write_attr_case): Use insn_code
4829 member only if only one insn is associated with the value.
4831 2005-08-06 Nick Clifton <nickc@redhat.com>
4833 * config/stormy16/stormy16.h (SYMBOL_FLAG_XSTORMY16_BELOW100):
4835 (ASM_OUTPUT_LABELREF): Delete - it is no longer needed.
4836 * config/stormy16/stormy16.c (xstormy16_below100_symbol):
4837 Check symbol flags instead of symbol name mangling.
4838 (xstormy16_asm_output_aligned_common): Likewise. Also
4839 simplify code since the bss100_section cass is the only case
4840 where the below100 code will be triggered.
4841 (xstormy16_encode_section_info): Encode below100 attribute
4842 using the SYMBOL_FLAG_XSTORMY16_BELOW100 instead of mangling
4844 (xstormy16_strip_name_encoding): Delete - this function is no
4846 (TARGET_STRIP_NAME_ENCODING): Undefine.
4847 * config/stormy16/stormy16-protos.h: Delete prototype for
4848 xstormy16_strip_name_encoding.
4850 2005-08-06 Kazu Hirata <kazu@codesourcery.com>
4852 * Makefile.in, cfgexpand.c, cfgloop.h, cfgloopmanip.c,
4853 config.gcc, ipa-cp.c, ipa-prop.c, ipa-prop.h, reg-stack.c,
4854 tree-ssa-structalias.c, tree-vrp.c, value-prof.c, vec.h,
4855 config/linux.h, config/alpha/alpha.h, config/alpha/linux.h,
4856 config/alpha/predicates.md, config/arc/arc.h,
4857 config/arm/arm.h, config/arm/ieee754-df.S,
4858 config/arm/ieee754-sf.S, config/bfin/bfin.c,
4859 config/bfin/bfin.h, config/c4x/c4x.h, config/crx/crx.c,
4860 config/fr30/fr30.h, config/frv/frv.h, config/h8300/h8300.h,
4861 config/i386/i386.h, config/ia64/ia64.c, config/ia64/ia64.h,
4862 config/m68hc11/m68hc11.h, config/mips/mips.c,
4863 config/mips/mips.h, config/mips/openbsd.h,
4864 config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.h,
4865 config/pdp11/pdp11.h, config/rs6000/linux-unwind.h,
4866 config/rs6000/rs6000.c, config/rs6000/rs6000.h,
4867 config/s390/s390.c, config/sh/sh.c, config/sh/sh.h,
4868 config/sparc/linux.h, config/sparc/linux64.h,
4869 config/sparc/sparc.h, config/v850/v850.h, config/vax/vax.h,
4870 doc/extend.texi, doc/gcov.texi, doc/install.texi,
4871 doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix comment/doc
4872 typos. Follow spelling conventions.
4874 2005-08-06 Joseph S. Myers <joseph@codesourcery.com>
4877 * stmt.c (warn_if_unused_value): Check TREE_NO_WARNING at start.
4878 Don't handle NOP_EXPR, CONVERT_EXPR and NON_LVALUE_EXPR
4879 specially. Check for side effects only for COND_EXPR.
4880 * c-typeck.c (c_finish_stmt_expr): Mark statement expression
4881 return with TREE_NO_WARNING.
4883 2005-08-06 Richard Sandiford <richard@codesourcery.com>
4885 PR rtl-optimization/23233
4886 * loop.c (combine_movables): Require the modes to be the same.
4887 (move_movables): Remove handling of cases where the replacement
4888 had a different mode to the original.
4890 2005-08-05 James A. Morrison <phython@gcc.gnu.org>
4892 PR tree-optimization/23128
4893 * tree-vrp.c (vrp_int_const_binop): Check if unsigned addition or
4894 subtraction wrap, and set TREE_OVERFLOW if they do.
4896 2005-08-05 Richard Henderson <rth@redhat.com>
4899 * tree-cfg.c (remove_bb): Transmute DECL_NONLOCAL labels into
4900 FORCED_LABEL labels.
4902 2005-08-05 J"orn Rennecke <joern.rennecke@st.com>
4905 * reload.c (find_reloads_subreg_address): Pass down TYPE
4906 unchanged. Change all callers except find_reloads_toplev.
4908 2005-08-05 Michael Matz <matz@suse.de>
4910 * genattrtab.c (current_alternative_string): Remove.
4911 (SIMPLIFY_ALTERNATIVE): Ditto.
4912 (attr_alt_bit_p): Ditto.
4913 (alternative_name): Make const char *.
4914 (evaluate_eq_attr): Remove use of above things.
4915 (simplify_test_exp): Ditto.
4916 (simplify_test_exp <EQ_ATTR>): Guard for insn_code < 0 .
4917 (simplify_test_exp <AND>): Correct typo (test 'right' not 'left').
4919 2005-08-04 James E Wilson <wilson@specifix.com>
4921 * config/ptx4.h, config/sol2.h, config/arm/freebsd.h,
4922 config/arm/linux-elf.h, config/frv/frv.h, config/i386/freebsd.h,
4923 config/i386/freebsd64.h, config/i386/netware.h, config/i386/sco5.h,
4924 config/ia64/freebsd.h, config/rs6000/sysv4.h, config/sparc/freebsd.h
4925 (LINK_SPEC): Delete useless %{Wl,*:%*} item.
4927 2005-08-04 Richard Henderson <rth@redhat.com>
4930 * params.def (PARAM_SRA_MAX_STRUCTURE_COUNT): New.
4931 * params.h (SRA_MAX_STRUCTURE_COUNT): New.
4932 * tree-sra.c (decide_block_copy): Use it. Disable element copy
4933 if we'd have to instantiate too many members.
4935 2005-08-04 Richard Henderson <rth@redhat.com>
4938 * tree-outof-ssa.c (coalesce_asm_operands): New.
4939 (coalesce_ssa_name): Use it. Split out ...
4940 (coalesce_phi_operands, coalesce_result_decls): ... these.
4942 2005-08-04 Paul Brook <paul@codesourcery.com>
4944 * read-rtl.c (read_quoted_string): Break if EOF.
4946 2005-08-04 Andrew Pinski <pinskia@physics.uc.edu>
4948 * tree.h (fold_build1): Change to macro and call fold_build1_stat.
4949 (fold_build2): Likewise.
4950 (fold_build3): Likewise.
4951 (fold_build1_stat): New function prototype.
4952 (fold_build2_stat): Likewise.
4953 (fold_build3_stat): Likewise.
4954 * fold-const.c (fold_build1): Rename to ..
4955 (fold_build1_stat): this. Add MEM_STAT_DECL. Pass the mem stats
4956 through to build1_stat.
4957 (fold_build2): Rename to ..
4958 (fold_build2_stat): this. Add MEM_STAT_DECL. Pass the mem stats
4959 through to build2_stat.
4960 (fold_build3): Rename to ..
4961 (fold_build3_stat): this. Add MEM_STAT_DECL. Pass the mem stats
4962 through to build3_stat.
4964 2005-08-04 David Edelsohn <edelsohn@gnu.org>
4965 Ian Lance Taylor <ian@airs.com>
4967 * function.c (assign_stack_local_1): Do not correct stack slot
4968 address if allocation size is smaller than mode size.
4970 2005-08-04 Diego Novillo <dnovillo@redhat.com>
4973 * tree-cfg.c (replace_uses_by): Call mark_new_vars_to_rename.
4974 (tree_merge_blocks): Propagate anything allowed by
4976 Clarify documentation.
4977 * passes.c (execute_todo): If cleanup_tree_cfg invalidated the
4978 SSA form, schedule an update if necessary.
4980 2005-08-04 Gerald Pfeifer <gerald@pfeifer.com>
4982 * doc/install.texi (Binaries): Remove broken link to
4983 Sinix/Reliant Unix binaries.
4985 2005-08-03 Richard Henderson <rth@redhat.com>
4988 * function.c (stack_protect_epilogue): Export.
4989 * tree.h (stack_protect_epilogue): Declare.
4990 * calls.c (expand_call): Call it.
4992 2005-08-03 Eric Christopher <echristo@apple.com>
4994 * gcc.c (LINK_SSP_SPEC): Add fstack-protector-all.
4995 * config/darwin.h (LINK_COMMAND_SPEC): Add link_ssp
4998 2005-08-04 Jan Hubicka <jh@suse.cz>
5000 * profile.c (branch_prob): Split edges with goto locus on them
5001 to get proper line counts.
5002 * tree-cfg.c (make_cond_expr_edges): Record user goto locuses, if any.
5004 2005-08-03 Paul Brook <paul@codesourcery.com>
5006 * function.c (assign_parms): Round current_function_args_size
5007 to PARM_BOUNDARY, not STACK_BOUNDARY.
5009 2005-08-03 Geoffrey Keating <geoffk@apple.com>
5011 * config/i386/i386.c (x86_elf_aligned_common)
5012 (x86_output_aligned_bss): Don't try to use symbols that aren't defined.
5014 2005-08-03 Zdenek Dvorak <dvorakz@suse.cz>
5016 PR tree-optimization/23157
5017 * tree-scalar-evolution.c (scev_const_prop): Unshare trees
5018 before emitting them.
5020 2005-08-03 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5022 PR tree-optimization/19899
5023 * Makefile.in (tree-scalar-evolution.o): Add real.h.
5024 * tree-scalar-evolution.c: Include real.h.
5025 (add_to_evolution): Build constant -1 of correct type.
5027 2005-08-03 Jan Hubicka <jh@suse.cz>
5029 * cfgloop.h (DLTHE_FLAG_COMPLETTE_PEEL): New flag.
5030 * cfgloopmanip.c (duplicate_loop_to_header_edge): Special case
5031 profile updating for complette unrolling.
5032 * loop-unroll.c (peel_loop_completely): Use it.
5033 * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Likewise.
5034 (tree_unroll_loops_completely): Disable code growing unrolling of cold
5037 2005-08-03 Paul Brook <paul@codesourcery.com>
5039 * combine.c (can_change_dest_mode): New function.
5040 (try_combine, simplify_set): Use it.
5042 2005-08-03 Eric Botcazou <ebotcazou@adacore.com>
5044 * config/ia64/hpux.h (MEMBER_TYPE_FORCES_BLK): Only force
5047 2005-08-03 Gerald Pfeifer <gerald@pfeifer.com>
5049 * doc/install.texi (Specific): Adjust link to openavr.org.
5050 (Specific): Remove broken reference to GCC 2.8.1 for OS/2.
5051 (Binaries): Adjust HP-UX Porting Center link.
5052 (Binaries): Adjust Free Software Foundation ordering link.
5054 2005-08-03 Andrew Pinski <pinskia@physics.uc.edu>
5056 * convert.c (convert_to_integer): Use fold_build1 instead of
5057 build1 when converting an integer to an integer.
5059 2005-08-02 Richard Henderson <rth@redhat.com>
5061 * combine.c (combine_instructions): Don't use reg_equal/equiv
5062 results if the mode doesn't match.
5064 2005-08-02 Mark Mitchell <mark@codesourcery.com>
5066 * config/i386/t-mingw32 (NATIVE_SYSTEM_HEADER_DIR): Set it.
5067 * doc/fragments.texi (NATIVE_SYSTEM_HEADER_DIR): Document it.
5069 2005-08-02 Richard Henderson <rth@redhat.com>
5072 * explow.c (memory_address): Remove special-case for
5073 virtual_stack_vars_rtx and virtual_incoming_args_rtx.
5075 2005-08-02 Diego Novillo <dnovillo@redhat.com>
5078 * tree-cfgcleanup.c (cleanup_tree_cfg): Do not limit the
5079 number of calls to cleanup_tree_cfg_1.
5081 2005-08-02 Martin Reinecke <martin@mpa-garching.mpg.de>
5083 * doc/invoke.texi: document file extensions .F90 and .F95
5085 2005-08-02 Richard Guenther <rguenther@suse.de>
5087 * fold-const.c (tree_expr_nonnegative_p): frexp(x, &e) is
5088 positive if its first argument is positive.
5090 2005-08-02 Richard Guenther <rguenther@suse.de>
5092 PR tree-optimization/23177
5093 * tree-ssa-operands.c (get_tmr_operands): Use get_expr_operands
5096 2005-08-02 James A. Morrison <phython@gcc.gnu.org>
5098 PR tree-optimization/23129
5099 * tree-vrp.c (extract_range_from_binary_expr): Set value range to
5100 varying for divisions with anti-ranges.
5102 2005-08-02 Jan Hubicka <jh@suse.cz>
5104 * tree-ssa-dom.c (thread_across_edge): Remove updating here.
5105 * tree-ssa-threadupdate.c (thread_block): Add it here.
5107 2005-08-01 James E Wilson <wilson@specifix.com>
5109 * config/mips/mips.c (mips_encode_section_info, mips_attribute_table,
5110 TARGET_ENCODE_SECTION_INFO, TARGET_ATTRIBUTE_TABLE): New.
5111 * config/mips/mips.h (SYMBOL_FLAG_LONG_CALL, SYMBOL_REF_LONG_CALL_P):
5113 * config/mips/predicates.md (const_call_insn_operand): Add check for
5114 SYMBOL_REF_LONG_CALL_P.
5115 * doc/extend.texi (long_call): Document the new attribute.
5117 2005-08-01 Ian Lance Taylor <ian@airs.com>
5118 Richard Henderson <rth@redhat.com>
5120 * Makefile.in (RTL_BASE_H): Add real.h.
5121 * real.h (REAL_VALUE_FROM_CONST_DOUBLE): Use structure copy
5123 * emit-rtl.c (const_double_from_real_value): Likewise; use rtx.u.rv
5125 * rtl.c (rtl_check_failed_code_mode): New.
5126 * rtl.h (struct rtx_def): Add u.rv.
5127 (XCMWINT, XCNMPRV): New.
5128 (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH): Use XCMWINT.
5129 (CONST_DOUBLE_REAL_VALUE): Use XCNMPRV; constify.
5131 2005-08-01 Richard Henderson <rth@redhat.com>
5133 * dwarf2out.c (mem_loc_descriptor): Use XEXP, not SUBREG_REG,
5134 with auto-inc codes.
5136 * config/alpha/predicates.md (and_operand): Test mode of CONST_DOUBLE.
5138 2005-08-01 Jan Hubicka <jh@suse.cz>
5140 * i386-protos.h (asm_preferred_eh_data_format): Declare.
5141 * i386.c: Include dwarf2.h
5142 (asm_preferred_eh_data_format): New.
5143 * i386.h (ASM_PREFERRED_EH_DATA_FORMAT): Move offline.
5145 2005-08-01 Ian Lance Taylor <ian@airs.com>
5147 * config/host-linux.c (linux_gt_pch_get_address): Add new name
5148 randomize_va_space for virtual address randomization control.
5150 2005-08-01 Steven Bosscher <stevenb@suse.de>
5152 * common.opt (flag_ipa_cp): Put in right place to maintain
5155 2005-08-01 Jan Hubicka <jh@suse.cz>
5157 * profile.c (compute_value_histograms): Fix thinko.
5158 * value-prof.c: Include toplev.h
5159 (check_counter): New function.
5160 (tree_divmod_fixed_value_transform, tree_mod_pow2_value_transform,
5161 tree_mod_subtract_transform): Add sanity check.
5163 2005-08-01 Richard Guenther <rguenther@suse.de>
5165 PR tree-optimization/23133
5166 * tree-ssa-math-opts.c (execute_cse_reciprocals): Walk
5167 current functions parameter decls to find defs to cse
5170 2005-08-01 Richard Guenther <rguenther@suse.de>
5172 PR tree-optimization/23109
5173 * tree-ssa-math-opts.c (execute_cse_reciprocals_1):
5174 If trapping math is in effect, use post-dominator information
5175 to check if we'd in any case reach a trapping point before
5176 doing the reciprocal insertion.
5177 (execute_cse_reciprocals): Compute post-dominators, if necessary.
5178 * tree-ssa-loop-im.c (determine_invariantness_stmt): RDIV
5179 expressions are invariant only if trapping math is not in effect.
5181 2005-08-01 Razya Ladelsky <razya@il.ibm.com>
5183 * cgraph.h (update_call_expr, cgraph_copy_node_for_versioning,
5184 cgraph_function_versioning): New declarations.
5185 * cgraphunit.c: Add include to ipa-prop.h.
5186 (update_call_expr, cgraph_copy_node_for_versioning,
5187 cgraph_function_versioning): New functions.
5188 * integrate.c (copy_decl_for_inlining): Remove.
5189 * ipa-prop.h (ipa_replace_map): New struct.
5190 (struct ipa_node): Add ipcp_orig_node, count_scale, new fields.
5191 * ipa-cp.c (ipcp_method_orig_node, ipcp_method_is_cloned,
5192 ipcp_method_set_orig_node, ipcp_cloned_create, ipcp_method_get_scale,
5193 ipcp_method_set_scale, ipcp_method_compute_scale, ipcp_after_propagate,
5194 ipcp_iterate_stage, ipcp_method_scale_print,
5195 ipcp_profile_mt_count_print, ipcp_profile_cs_count_print,
5196 ipcp_profile_edge_print, ipcp_profile_bb_print , ipcp_profile_print,
5197 ipcp_replace_map_create, ipcp_redirect, ipcp_update_callgraph,
5198 ipcp_update_bb_counts, ipcp_update_profiling,
5199 ipcp_update_edges_counts): New functions.
5200 (ipcp_method_cval_init): Remove restriction regarding local methods.
5201 (ipcp_init_stage): Add ipcp_method_compute_scale.
5202 (ipcp_insert_stage): Add versioning.
5203 (ipcp_structures_print): Add ipcp_method_scale_print.
5204 (ipcp_driver): Dump profiling info.
5205 * Makefile.in: Remove integrate.h dependency from tree-inline.o.
5206 Add ipa-prop.h dependency to tree-inline.o and cgraphunit.o.
5207 * tree-inline.c: Remove include to integrate.h, Add include ipa-prop.h.
5208 (struct inline_data): Add versioning_p, ipa_info, new fields.
5209 (remap_decl, mark_local_for_remap_r, setup_one_parameter,
5210 declare_return_variable): Replace calls to copy_decl_for_inlining with
5212 (copy_body_r, copy_bb, copy_cfg_body, copy_tree_r, inlining_p): Add
5214 (copy_decl_for_dup): Rename from copy_decl_for_inlining.
5215 Add argument VERSIONING.
5216 (copy_arguments_for_versioning, copy_static_chain,
5217 function_versionable_p, tree_versionable_function_p,
5218 tree_function_versioning, replace_ref_tree): New functions.
5219 * tree-inline.h: Include varray.h.
5220 (tree_versionable_function_p, tree_function_versioning,
5221 tree copy_decl_for_dup): New declarations.
5223 2005-08-01 Razya Ladelsky <razya@il.ibm.com>
5225 * ipa-cp.c: New file. Contains IPCP specific functionality.
5226 * ipa-prop.h: New file. Contains structures/definitions that can be
5227 used by several interprocedural data flow optimizations (and also IPCP).
5228 * ipa-prop.c: New file.
5229 * Makefile.in: Add ipa-cp.c, ipa-prop.h, ipa-prop.c.
5230 * common.opt: Add ipa-cp flag.
5231 * timevar.def: Add IPCP optimization.
5232 * tree-optimize.c (init_tree_optimization_passes): Schedule
5234 * tree-pass.h (pass_ipa_cp): Declare.
5236 2005-08-01 Kazu Hirata <kazu@codesourcery.com>
5238 * dwarf2out.c, fold-const.c, ipa-type-escape.c,
5239 loop-invariant.c, predict.c, predict.def, reload1.c, reorg.c,
5240 tree-sra.c, config/arm/arm.c, config/crx/crx.c,
5241 config/i386/i386.c, config/mips/mips.h,
5242 config/rs6000/rs6000.h, config/sh/sh.c,
5243 config/stormy16/stormy16.c: Fix comment typos.
5245 2005-08-01 Joseph S. Myers <joseph@codesourcery.com>
5248 * c-typeck.c (build_binary_op): Use common_type wrapper on
5250 (common_type): Update comment.
5252 2005-07-31 Steven Bosscher <stevenb@suse.de>
5255 * common.opt (flag_gcse_after_reload): Don't initialize to 2.
5256 (flag_rerun_cse_after_loop): Initialize this to 2 instead.
5257 * postreload-gcse.c (hash_scan_set): Do not consider stack regs.
5259 2005-07-31 Jan Hubicka <jh@suse.cz>
5261 * pretty-print.h (pp_widest_integer): New macro.
5262 * tree-pretty-print.c (dump_bb_header): Print BB frequencies and
5265 2005-07-31 Jan Hubicka <jh@suse.cz>
5267 * output.h (enum section_category): Export from varasm.c
5268 (categorize_decl_for_section): Likewise.
5269 * varasm.c (enum section_category): Kill.
5270 (categorize_decl_for_section): Make global.
5271 * i386-protos.h (x86_output_aligned_bss, x86_elf_aligned_common):
5273 * i386.c (ix86_section_threshold): New static variable.
5274 (ix86_in_large_data_p, ix86_encode_section_info,
5275 x86_64_elf_unique_section,
5276 x86_64_elf_select_section): New functions.
5277 (TARGET_ENCODE_SECTION_INFO): Define
5278 (override_options): Enable medium model for PIC.
5279 (ix86_expand_prologue): Expand gen_set_got_rex64.
5280 (legitimate_constant_p): Handle new UNSPECs.
5281 (legitimate_pic_address_disp_p): Likewise.
5282 (legitimize_pic_address): Lower MEDIUM model addressing.
5283 * i386.h (PIC_OFFSET_TABLE_REGNUM): Set for medium model PIC.
5284 (enum cmodel): Add MEDIUM_PIC.
5285 (SYMBOL_REF_FAR_ADDR_P): New macro.
5286 (SYMBOL_FLAG_FAR_ADDR): New flag.
5287 * i386.md (movdi): Support medium model.
5288 (set_got_rex64): New pattern.
5289 * i386.opt (mlarge-data-threshold): New flag.
5290 * predicates.md (zext_operand/sext_operand): Deal with medium model.
5291 * x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Use x86_output_aligned_bss.
5292 (ASM_OUTPUT_ALIGNED_COMMON, TARGET_ASM_SELECT_SECTION,
5293 TARGET_ASM_UNIQUE_SECTION): New.
5295 * invoke.texi (-mlarge_data_threshold): Document
5297 2005-07-31 Jan Hubicka <jh@suse.cz>
5299 * tree-outof-ssa.c (coalesce_ssa_name): Use coalesce_cost.
5300 (coalesce_vars): Likewise.
5301 * tree-ssa-live.c (coalesce_cost): New.
5302 (build_tree_conflict_graph): Use coalesce_cost.
5303 * tree-ssa-live.h (coalesce_cost): Declare.
5305 2005-07-30 Richard Earnshaw <richard.earnshaw@arm.com>
5307 * arm.md (all peepholes for post-increment operations): Delete.
5308 (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec)
5309 (loadqisi_preinc, loadqisi_predec, strsi_preinc, strsi_predec)
5310 (loadsi_preinc, loadsi_predec, strqi_shiftpreinc, strqi_shiftpredec)
5311 (loadqi_shiftpreinc, loadqi_shiftpredec, strsi_shiftpreinc)
5312 (strsishift_predec, loadsi_shiftpreinc, loadsi_shiftpredec): Delete.
5314 2005-07-30 James A. Morrison <phython@gcc.gnu.org>
5316 * fold-const.c (tree_expr_nonnegative_p): Always return true for
5319 2005-07-29 Wolfgang Bangerth <bangerth@dealii.org>
5322 * doc/invoke.texi: Document -rdynamic.
5324 2005-07-30 Joseph S. Myers <joseph@codesourcery.com>
5327 * c-parser.c (c_parser_parms_list_declarator): Call
5328 mark_forward_parm_decls.
5329 * c-decl.c (merge_decls): Only check DECL_IN_SYSTEM_HEADER for
5330 decls with visibility structure.
5332 2005-07-30 Paul Brook <paul@codesourcery.com>
5334 * config/arm/arm.c (arm_coproc_mem_operand): Fix inaccurate comment.
5336 2005-07-30 Paul Brook <paul@codesourcery.com>
5338 * config/arm/arm-protos.h (arm_canonicalize_comparison): Update
5340 * config/arm/arm.c (arm_canonicalize_comparison): Use correct limit
5342 * config/arm/arm.h (CANONICALIZE_COMPARISON): Pass mode argument.
5344 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
5347 * c-decl.c (warn_if_shadowing): Don't check for PARM_DECL in
5348 nested function declarators.
5349 (pushdecl): Don't call warn_if_shadowing for PARM_DECL.
5350 (grokparms): Call warn_if_shadowing for parameters used within the
5352 (store_parm_decls_newstyle): Call warn_if_shadowing for parameters
5353 not used within the parameter list.
5354 (store_parm_decls_oldstyle): Call warn_if_shadowing for parameters.
5356 2005-07-30 Jan Hubicka <jh@suse.cz>
5358 * expr.c (expand_expr_real_1): Do not load mem targets into register.
5359 * i386.c (ix86_fixup_binary_operands): Likewise.
5360 (ix86_expand_unary_operator): Likewise.
5361 (ix86_expand_fp_absneg_operator): Likewise.
5362 * optabs.c (expand_vec_cond_expr): Validate dest.
5364 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
5367 * real.c (real_from_string): Also set last bit if there is a
5368 nonzero hex digit beyond GCC's internal precision after ".".
5370 2005-07-29 David Edelsohn <edelsohn@gnu.org>
5372 * config/rs6000/altivec.md: Convert UNSPEC numerical values to
5373 define_constants. Change duplicate values to unassigned numbers.
5374 Change UNSPEC_SUBS to UNSPEC_VSUBS.
5375 (*altivec_vspltsf): New.
5376 (altivec_vperm_v4sf): Delete.
5377 (altivec_vperm_<mode>): Use mode macro V.
5378 (altivec_vsldoi_<mode>): Convert to mode macro pattern.
5379 (altivec_predicate_v4sf): Delete.
5380 (altivec_predicate_<mode>): Use mode macro V.
5381 (*altivec_lvesfx): New.
5382 (*altivec_stvesfx): New.
5383 (vec_realign_load_v4sf): Delete.
5384 (vec_realign_load_<mode>): Use mode macro V.
5385 * config/rs6000/rs6000.c (generate_set_vrsave): Use
5388 2005-07-29 Mark Mitchell <mark@codesourcery.com>
5391 * configure.ac (SYSTEM_HEADER_DIR): Avoid setting to empty
5393 * configure: Regenerated.
5395 2005-07-29 Paul Brook <paul@codesourcery.com>
5397 * doc/install.texi: Add link to GFortran binaries wiki page.
5399 2005-07-29 David Ung <davidu@mips.com>
5401 * config/mips/mips.c (mips_cpu_info_table): Add 5kf to the table.
5402 (mips_rtx_cost_data): Add costs for 5kc and 5kf.
5403 * config/mips/mips.h (processor_type): Add PROCESSOR_5KF.
5404 * config/mips/mips.md (cpu): Add 5kf name.
5405 (includes): Includes 5k.md.
5406 * config/mips/5k.md: New DFA pipeline for the 5kc/5kf.
5407 * doc/invoke.texi (MIPS Options): Updated cpu name supported with
5410 2005-07-29 Diego Novillo <dnovillo@redhat.com>
5413 * tree-cfgcleanup.c (cleanup_tree_cfg_1): Extract from ...
5414 (cleanup_tree_cfg): ... here.
5415 Call cleanup_tree_cfg_1 until there are no more cleanups to
5418 2005-07-29 James A. Morrison <phython@gcc.gnu.org>
5420 * tree-vrp.c (compare_range_with_value): Return true or false
5421 for ~[VAL_1, VAL_2] OP VAL if VAL_1 <= VAL <= VAL_2 for NE_EXPR and
5422 EQ_EXPR respectively.
5424 2005-07-29 Kazu Hirata <kazu@codesourcery.com>
5426 * cfg.c, tree-complex.c, config/frv/frv.c, config/i386/i386.c:
5429 2005-07-29 Diego Novillo <dnovillo@redhat.com>
5431 * tree-ssa-dom.c (struct opt_stats_d): Add field num_iterations.
5432 (tree_ssa_dominator_optimize): Increment it.
5433 (dump_dominator_optimization_stats): Print it.
5435 2005-07-29 Richard Earnshaw <richard.earnshaw@arm.com>
5436 Steven Bosscher <stevenb@suse.de>
5438 PR rtl-optimization/23117
5439 * sched-rgn.c (add_branch_dependences): Handle COND_EXEC correctly
5440 when head == tail. Tidy comment.
5442 2005-07-28 Richard Henderson <rth@redhat.com>
5444 * cse.c (exp_equiv_p): Special case CONST_DOUBLE.
5445 * cselib.c (rtx_equal_for_cselib_p): Likewise.
5446 * jump.c (rtx_renumbered_equal_p): Likewise.
5447 * loop.c (rtx_equal_for_loop_p): Tidy and special case PC, CC0,
5448 CONST_INT and CONST_DOUBLE.
5449 (rtx_equal_for_prefetch_p): Likewise, plus LABEL_REF.
5450 * reload.c (operands_match_p): Special case CONST_INT and
5451 CONST_DOUBLE; check mode earlier.
5453 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
5456 * c-typeck.c (convert_for_assignment): Do not check
5457 DECL_IN_SYSTEM_HEADER on NULL fundecl.
5459 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
5462 * c-typeck.c (composite_type): Prefer constant size arrays to
5465 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
5468 * real.c (real_from_string): Set last bit if there is a nonzero
5469 hex digit beyond GCC's internal precision.
5471 2005-07-28 Richard Henderson <rth@redhat.com>
5474 * cfgcleanup.c (try_forward_edges): Watch out for end of
5477 2005-07-28 James E Wilson <wilson@specifixinc.com>
5480 * doc/invoke.texi (Wstrict-aliasing=2): Fix misleading wording.
5482 2005-07-28 Jan Hubicka <jh@suse.cz>
5484 * Makefile.in (rtl-profile.o): Kill all traces of it.
5485 * common.opt (fspeculative-prefetching, ftree-based-profiling): Kill.
5486 * coverage.h (rtl_coverage_counter_ref): Kill.
5487 * opts.c (flag_speculative_prefetching_set): Kill.
5488 (flag_loop_optimize_set): New.
5489 (common_handle_option): Disable loop optimizer when profiling;
5490 do not handle speculative prefetching.
5491 * passes.c (init_optimization_passes): Replace pass_profiling combo
5492 by branch_prob pass.
5493 * profile.c (compute_value_histograms): Update for simplified value
5495 (rtl_register_profile_hooks): Kill.
5496 (pass_profiling): Kill.
5497 (rest_of_handle_branch_prob): Do not profile.
5498 * toplev.c (process_options): Remove speculative prefetching.
5499 * toplev.h (flag_tree_based_profiling): Kill.
5500 * tree-profile.c (prepare_instrumented_value,
5501 tree_gen_interval_profiler, tree_gen_pow2_profiler,
5502 tree_gen_one_value_profiler, do_tree_profiling): Update for
5503 simplified datastructures.
5504 * value-prof.c: Add comment that speculative prefetching was dropped;
5505 update rest of file for simplified datastructures.
5506 (NOPREFETCH_RANGE_MIN, NOPREFETCH_RANGE_MAX,
5507 rtl_divmod_values_to_profile, insn_prefetch_values_to_profile,
5508 find_mem_reference_1, find_mem_reference_2, find_mem_reference,
5509 rtl_values_to_profile, rtl_divmod_fixed_value, rtl_mod_pow2,
5510 rtl_mod_subtract, gen_speculative_prefetch,
5511 rtl_divmod_fixed_value_transform, rtl_mod_pow2_value_transform,
5512 rtl_mod_subtract_transform, speculative_prefetching_transform): Kill.
5513 (gate_handle_value_profile_transformations,
5514 rest_of_handle_value_profile_transformations,
5515 pass_value_profile_transformations): Kill.
5516 * value-prof.h (histogram_value_t): Remove IL based unions.
5517 (rtl_register_value_prof_hooks, rtl_register_profile_hooks,
5518 rtl_profile_hooks): Remove hooks.
5520 * invoke.texi (-ftree-based-profiling, -fspeculative-prefetching): Kill.
5522 * cgraph.c (cgraph_clone_edge): New UPDATE_ORIGINAL argument.
5523 (cgraph_clone_node): Likewise.
5524 * cgraph.h (cgraph_clone_edge): Update prototype.
5525 (cgraph_clone_node): Likewise.
5526 * ipa-inline.c (cgraph_clone_inlined_nodes): Update call of
5528 (lookup_recursive_calls): Consider profile.
5529 (cgraph_decide_recursive_inlining): Fix updating; use new
5530 probability argument; use profile.
5531 * params.def (PARAM_MIN_INLINE_RECURSIVE_PROBABILITY): New.
5532 * tree-inline.c (copy_bb): Update clal of clone_edge.
5533 * tree-optimize.c (tree_rest_of_compilation): UPdate cal of clone_node.
5535 * invoke.texi (min-inline-recursive-probability): Document.
5537 2005-07-28 Gerald Pfeifer <gerald@pfeifer.com>
5539 * doc/install.texi (Configuration): Update Valgrind homepage.
5541 2005-07-28 Richard Henderson <rth@redhat.com>
5544 * cfgrtl.c (rtl_merge_blocks): Call maybe_remove_eh_handler on
5545 labels we want to delete.
5546 (cfg_layout_merge_blocks): Likewise.
5548 2005-07-28 Richard Henderson <rth@redhat.com>
5551 * config/i386/i386.c (ix86_split_sse_movcc): Emit DELETED note
5552 when expanding to nothing.
5554 2005-07-28 Josh Conner <jconner@apple.com>
5556 * ipa-inline.c (update_caller_keys): Fix estimated_growth caching.
5557 (cgraph_decide_inlining_of_small_functions): Likewise.
5559 2005-07-28 Josh Conner <jconner@apple.com>
5561 * ipa-inline.c (cgraph_edge_badness): Update comments. Invert shift
5562 direction of badness if negative.
5563 (cgraph_default_inline_p): Add reason to parameters, and assign it
5565 (cgraph_decide_inlining_of_small_functions): New parameter in call
5566 to cgraph_default_inline_p.
5567 (cgraph_decide_inlining_incrementally): Likewise.
5568 * cgraphunit.c (decide_is_function_needed): Likewise.
5569 * cgraph.h (cgraph_default_inline_p): Likewise.
5571 2005-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5573 * builtins.c: Fix comment typo(s).
5574 * genautomata.c: Likewise.
5575 * gimplify.c: Likewise.
5576 * tree-dfa.c: Likewise.
5577 * tree-flow-inline.h: Likewise.
5578 * tree-into-ssa.c: Likewise.
5579 * tree-ssa-alias.c: Likewise.
5580 * tree-ssa-ccp.c: Likewise.
5581 * tree-ssa-copy.c: Likewise.
5582 * tree-ssa-dce.c: Likewise.
5583 * tree-ssa-dom.c: Likewise.
5584 * tree-ssa-operands.c: Likewise.
5585 * tree-tailcall.c: Likewise.
5586 * tree-vectorizer.c: Likewise.
5587 * tree-vrp.c: Likewise.
5590 2005-07-28 Jeff Law <law@redhat.com>
5592 * tree-vrp.c (test_for_singularity): Extracted from ...
5593 (simplify_cond_using_ranges): Attempt to simplify a relational
5594 test to NE_EXPR. Dump information when a COND_EXPR is simplified.
5596 2005-07-28 Dorit Nuzman <dorit@il.ibm.com>
5598 PR tree-optimization/22506
5599 * tree-vectorizer.c (update_phi_nodes_for_guard2): Skip loop-closed
5600 phis whose argument is constant.
5602 2005-07-28 J"orn Rennecke <joern.rennecke@st.com>
5604 PR rtl-optimization/18992
5605 Back out this patch:
5606 2003-10-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5607 PR optimization/12142
5608 * cse.c (count_reg_usage): In a SET with a REG SET_DEST, count the
5609 uses of the register in the SET_SRC. Remove unnecessary argument.
5611 Replace it with this:
5612 * cse.c (count_reg_usage): In INSN, JUMP_INSN and CALL_INSN cases,
5613 if flag_non_call_exceptions is set and the insn may trap, pass
5614 pc_rtx as dest for recursion.
5615 In SET_SRC part of SET case, if dest is already set, pass it down
5618 2005-07-28 Jan Hubicka <jh@suse.cz>
5620 * cfg.c (update_bb_profile_for_threading): Use RDIV.
5621 (scale_bbs_frequencies_int): Likewise, assert for possible overflow.
5622 (scale_bbs_frequencies_gcov_type): Be more curefull about overflows and
5624 * tree-cfg.c (tree_duplicate_sese_region): Use counts for updating
5625 profile when available.
5627 2005-07-28 Jan Beulich <jbeulich@novell.com>
5629 * config/ia64/ia64.c (ia64_load_pair_ok): New.
5630 (ia64_print_operand): Describe and handle 'X'.
5631 (ia64_register_move_cost): Also handle FP_REGS.
5632 (ia64_preferred_reload_class): Likewise.
5633 (ia64_secondary_reload_class): Likewise.
5634 (ia64_dependencies_evaluation_hook): New local variable c. Initialize
5635 it. Also check for ITANIUM_CLASS_FLDP.
5636 * config/ia64/ia64.h (FP_REGNO_P): New.
5637 (HARD_REGNO_MODE_OK): Remove explusion of TImode.
5638 (reg_class): Add FP_REGS.
5639 (REG_CLASS_NAMES): Adjust for it.
5640 (REG_CLASS_CONTENTS): Likewise.
5641 (REGNO_REG_CLASS): Use FP_REGS where appropriate.
5642 (REG_CLASS_FROM_LETTER): Handle 'x'.
5643 (CLASS_MAX_NREGS): Handle FP_REGS.
5644 (MEMORY_MOVE_COST): Likewise.
5645 * config/ia64/ia64.md (itanium_class): Add fldp.
5646 (type): Handle fldp.
5647 (movti_internal): More allowable operand combinations. Use ldfp8 when
5648 splitting unnecessary. Remove predicable attribute. Adjust
5649 itanium_class attribute.
5650 (smuldi3_highpart): Remove outdated comment.
5651 (mulditi3, umulditi3, rotlti3): New expanders.
5652 (addti3, subti3, mulditi3_internal, umulditi3_internal, negti2, rotlti3_internal): New insns.
5653 (absti2): Disabled new insn for future reference.
5654 Respective new splitters.
5655 * config/ia64/itanium1.md (1_fldp, 1b_fldp): New insn reservations.
5656 * config/ia64/itanium2.md (2_fldp, 2b_fldp): Likewise.
5657 * config/ia64/ia64-protos.h (ia64_load_pair_ok): New.
5659 2005-07-25 James A. Morrison <phython@gcc.gnu.org>
5661 PR rtl-optimization/23047
5662 * simplify-rtx.c (simplify_const_relational_operation): Respect
5663 flag_wrapv for comparisons with ABS.
5665 2005-07-27 James A. Morrison <phython@gcc.gnu.org>
5667 PR tree-optimization/22493
5668 * tree-vrp.c (extract_range_from_unary_expr): Deal with -fwrapv and
5669 VR_ANTI_RANGEs properly for NEGATE_EXPRs and ABS_EXPRs.
5671 2005-07-27 Aldy Hernandez <aldyh@redhat.com>
5673 * config/frv/frv.opt (moptimize-membar): New.
5675 * doc/invoke.texi: Document -moptimize-membar and its inverse.
5677 * config/frv/frv.h: Remove machine_function definition.
5679 * config/frv/frv.c (struct frv_io): New.
5680 (struct machine_function): Moved from frv.h. Add has_membar_p.
5681 (frv_same_doubleword_p, frv_io_fixed_order_p, frv_io_union)
5682 (frv_extract_membar, frv_io_check_address, frv_io_handle_set)
5683 (frv_io_handle_use_1, frv_io_handle_use, frv_optimize_membar_local)
5684 (frv_optimize_membar_global, frv_optimize_membar): New functions.
5685 (frv_reorg): Call frv_optimize_membar when appropriate.
5686 (bdesc_loads, bdesc_stores): Use the membar code as the icode field.
5687 (frv_expand_builtin): Adjust calls accordingly.
5688 (frv_io_address_cookie): New function.
5689 (frv_expand_load_builtin, frv_expand_store_builtin): Emit a normal
5690 load or store rather than a special insn. Add ccnstant address and
5691 io-type operands to the membar.
5692 (frv_ifcvt_modify_tests): Unsign regno.
5693 (frv_ifcvt_modify_tests): Same.
5695 * config/frv/frv.md: Remove UNSPEC_BUILTIN_{LOAD,STORE}. Change
5696 UNSPEC_OPTIONAL_MEMBAR constant.
5697 (builtin_read_<mode>): Delete.
5698 (builtin_write_<mode>): Delete.
5699 ("optional_membar_<mode>"): Add operand.
5701 * testsuite/gcc.target/frv/all-builtin-read8.c: Delete.
5702 * testsuite/gcc.target/frv/all-builtin-read16.c: Delete.
5703 * testsuite/gcc.target/frv/all-builtin-read32.c: Delete.
5704 * testsuite/gcc.target/frv/all-builtin-read64.c: Delete.
5705 * testsuite/gcc.target/frv/all-builtin-write8.c: Delete.
5706 * testsuite/gcc.target/frv/all-builtin-write16.c: Delete.
5707 * testsuite/gcc.target/frv/all-builtin-write32.c: Delete.
5708 * testsuite/gcc.target/frv/all-builtin-write64.c: Delete.
5709 * testsuite/gcc.target/frv/all-read-write-1.c: New.
5711 2005-07-28 Kaz Kojima <kkojima@gcc.gnu.org>
5713 * df.c (df_uses_record): Handle SCRATCH.
5715 2005-07-28 Steven Bosscher <stevenb@suse.de>
5718 * passes.c (rest_of_decl_compilation): If decl is a type and
5719 we have encountered errors, don't emit debug information.
5721 2005-07-27 Kenneth Zadeck <zadeck@naturalbridge.com>
5723 * params.def: Fixed comment.
5725 2005-07-27 Bjoern Haase <bjoern.m.haase@web.de>
5728 * config/avr/avr.c (TARGET_ASM_ALIGNED_SI_OP): Add.
5729 (TARGET_ASM_UNALIGNED_HI_OP): Add.
5730 (TARGET_ASM_UNALIGNED_SI_OP): Add.
5732 2005-07-27 Steven Bosscher <stevenb@suse.de>
5735 * varasm.c (assemble_start_function): Don't do anything that may
5736 require a CFG if the current function is a thunk.
5738 2005-07-25 Geoffrey Keating <geoffk@apple.com>
5740 * doc/install.texi (Prerequisites): Mention that perl is needed
5741 to do export control in libstdc++ targetting Darwin.
5743 2005-07-27 Steven Bosscher <stevenb@suse.de>
5745 PR rtl-optimization/17808
5746 * sched-deps.c (sched_get_condition): Enable #if 0'ed code.
5747 (sched_insns_conditions_mutex_p): Split out from...
5748 (add_dependence): ...here. But don't call it from here.
5749 (add_dependence_list): Check sched_insns_conditions_mutex_p
5750 before calling add_dependence.
5751 (add_dependence_list_and_free): Likewise.
5752 (fixup_sched_groups): Likewise.
5753 (sched_analyze_1): Likewise.
5754 (sched_analyze_2): Likewise (and replace a "0" with REG_DEP_TRUE).
5755 (sched_analyze): Likewise.
5756 (sched_analyze_insn): Likewise.
5757 * sched-ebb.c (add_deps_for_risky_insns): Likewise.
5758 * sched-rgn.c (add_branch_dependences): Likewise. Also, add
5759 dependencies on all COND_EXEC insns to jumps ending basic blocks
5760 when doing intrablock scheduling.
5761 * sched-int.h (sched_insns_conditions_mutex_p): Add prototype.
5763 2005-07-27 Jeff Law <law@redhat.com>
5765 * tree-vrp.c (vrp_meet): Intersect the equivalency sets when
5766 meeting a VR_ANTI_RANGE with a VR_RANGE. When intersecting
5767 equivalency sets, correctly handle the case were vr0 has an
5768 equivalency set, but vr1 does not.
5770 2005-07-27 Dorit Nuzman <dorit@il.ibm.com>
5772 PR tree-optimization/23073
5773 * tree-vect-analyze.c (vect_analyze_data_refs_alignment): Call
5774 vect_print_dump_info before fprintf.
5776 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
5778 PR tree-optimize/22348
5779 * tree-ssa-loop-niter.c (number_of_iterations_cond):
5780 Fold the partial computation.
5782 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
5784 PR tree-optimization/22325
5785 * tree-flow.h (compute_phi_arg_on_exit, force_expr_to_var_cost):
5787 * tree-scalar-evolution.c (scev_const_prop): Add generic final
5789 * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Split from ...
5790 (force_var_cost): ... this function.
5791 (compute_phi_arg_on_exit): Export.
5793 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
5795 PR tree-optimization/20773
5796 * tree-ssa-loop-ch.c (copy_loop_headers): Select the correct latch
5799 2005-07-27 Richard Guenther <rguenther@suse.de>
5801 * tree-ssa-structalias.c (push_fields_onto_fieldstack):
5802 Avoid pushing again if current struct contains only
5803 fields we decomposed.
5805 2005-07-27 Jan Hubicka <jh@suse.cz>
5807 PR tree-optimization/22574
5808 * cgraph.c (cgraph_function_body_availability): Unanalyzed bodies are
5811 * tree-tailcall.c (decrease_profile): New function.
5812 (eliminate_tail_call): Use it.
5814 * cgraphunit.c (cgraph_function_and_variable_visibility): Set
5815 visibility flags correctly in whole program mode.
5817 2005-07-26 Steve Ellcey <sje@cup.hp.com>
5819 PR rtl-optimization/22472
5820 * config/pa/pa.h (HARD_REGNO_RENAME_OK): Define.
5822 2005-07-26 Steven Bosscher <stevenb@suse.de>
5824 PR tree-optimization/22504
5825 * tree-complex.c (expand_complex_addition): Use 'code' instead
5826 of MINUS_EXPR for (VARYING, ONLY_IMAG) and (ONLY_IMAG, VARYING).
5828 2005-07-26 Aldy Hernandez <aldyh@redhat.com>
5830 * config.gcc (cpu_type): Add frv case.
5831 (with_cpu): Add frv400-*-*linux* and frv550-*-*linux* cases.
5832 (supported_defaults): Add fr550 case.
5834 2005-07-26 Diego Novillo <dnovillo@redhat.com>
5837 * tree-ssa-alias.c (may_alias_p): Remove shortcut that tests
5838 whether a pointer of type T * may point to objects of type T *.
5840 2005-07-26 DJ Delorie <dj@redhat.com>
5842 * configure: Regenerate.
5844 2005-07-26 Dale Johannesen <dalej@apple.com>
5846 * postreload-gcse.c (alloc_mem): Start CUID numbering at 1.
5848 2005-07-26 Mark Mitchell <mark@codesourcery.com>
5850 * doc/install.texi (--with-build-sysroot): Fix grammatical error.
5851 Clarify use of "build" in name.
5853 2005-07-26 Aldy Hernandez <aldyh@redhat.com>
5855 * doc/extend.texi (Raw read/write Functions): New section.
5856 * testsuite/gcc.target/frv/all-builtin-read8.c: New.
5857 * testsuite/gcc.target/frv/all-builtin-read16.c: New.
5858 * testsuite/gcc.target/frv/all-builtin-read32.c: New.
5859 * testsuite/gcc.target/frv/all-builtin-read64.c: New.
5860 * testsuite/gcc.target/frv/all-builtin-write8.c: New.
5861 * testsuite/gcc.target/frv/all-builtin-write16.c: New.
5862 * testsuite/gcc.target/frv/all-builtin-write32.c: New.
5863 * testsuite/gcc.target/frv/all-builtin-write64.c: New.
5864 * config/frv/frv.c: Add bdesc_loads global.
5865 Add bdesc_stores global.
5866 (frv_init_builtins): Add support for __builtin_{read/write}*.
5867 (frv_volatile_memref): New.
5868 (frv_expand_load_builtin): New.
5869 (frv_expand_store_builtin): New.
5870 * config/frv/frv.h (frv_builtins): Add FRV_BUILTIN_SCAN,
5871 FRV_BUILTIN_READ8, FRV_BUILTIN_READ16, FRV_BUILTIN_READ32,
5872 FRV_BUILTIN_READ64, FRV_BUILTIN_WRITE8, FRV_BUILTIN_WRITE16,
5873 FRV_BUILTIN_WRITE32, FRV_BUILTIN_WRITE64.
5874 * config/frv/frv.md (unspecs): Add UNSPEC_BUILTIN_LOAD,
5875 UNSPEC_BUILTIN_STORE, UNSPEC_OPTIONAL_MEMBAR.
5876 (builtin_read_<mode>): New.
5877 (builtin_write_<mode>): New.
5878 (builtin_write64): New.
5879 (optional_membar_<mode>): New.
5881 2005-07-26 J"orn Rennecke <joern.rennecke@st.com>
5883 * emit-rtl.c (gen_lowpart_common): Compare size of MODE in bits
5884 (rather than units) against HOST_BITS_PER_WIDE_INT.
5886 2005-07-26 Kazu Hirata <kazu@codesourcery.com>
5888 * ipa-pure-const.c, ipa-reference.c, ipa-reference.h,
5889 ipa-type-escape.c, ipa-type-escape.h, ipa-utils.c,
5890 ipa-utils.h, treestruct.def, config/crx/crx-protos.h,
5891 config/crx/crx.c, config/crx/crx.h, config/crx/crx.md: Update
5894 * calls.c, fold-const.c, ipa-reference.c, ipa-type-escape.c,
5895 tree-ssa-reassoc.c, tree-ssa-structalias.c, vec.h,
5896 config/crx/crx.c, config/m32c/m32c.c, config/m32c/m32c.h: Fix
5898 * doc/c-tree.texi, doc/tree-ssa.texi: Fix typos.
5900 2005-07-26 Richard Guenther <rguenther@suse.de>
5902 PR tree-optimization/22486
5903 * fold-const.c (fold_unary): Fold away useless component
5904 references of the form (T *)&T.x, if the address
5907 2005-07-25 James E Wilson <wilson@specifixinc.com>
5909 * dwarf2out.c (add_call_src_coords_attributes): New.
5910 (gen_inlined_subroutine_die): Call it.
5911 (maybe_emit_file, init_file_table): Add comments.
5912 (prune_unused_types_walk_attribs): Pass DW_AT_call_file through
5914 * tree-inline.c (remap_block): Copy BLOCK_SOURCE_LOCATION.
5915 (expand_call_inline): Set BLOCK_SOURCE_LOCATION.
5916 * tree.h (BLOCK_SOURCE_LOCATION): New.
5917 (struct tree_block): New field locus.
5919 2005-07-26 Andreas Schwab <schwab@suse.de>
5921 PR rtl-optimization/23043
5922 * postreload-gcse.c (eliminate_partially_redundant_load): Fix typo
5923 when allocating a struct unoccr.
5925 2005-07-25 Richard Henderson <rth@redhat.com>
5928 * tree-complex.c (gate_no_optimization): True if errors.
5929 * Makefile.in (tree-complex.o): Update dependencies.
5931 2005-07-25 Aldy Hernandez <aldyh@redhat.com>
5933 * config/frv/predicates.md (integer_register_operand): Use
5936 2005-07-25 Andrew Pinski <pinskia@physics.uc.edu>
5939 * tree-ssa-ccp.c (fold_stmt_inplace): Strip useless type conversions
5941 * tree-ssa-propagate.c (set_rhs): Reject invalid conditional operands.
5943 2005-07-25 Andrew Pinski <pinskia@physics.uc.edu>
5945 * tree-ssa-reassoc.c (reassociate_expr): Allow scaler floating point
5946 types when flag_unsafe_math_optimizations is true.
5948 2005-07-25 Mark Mitchell <mark@codesourcery.com>
5950 * gcc.c (option_map): Add --sysroot.
5951 (process_command): Handle --sysroot.
5952 (display_help): Document it.
5953 * doc/cppopts.tex (-isysroot): Document.
5954 * doc/invoke.texi (--sysroot): Document.
5955 * doc/install.texi (--with-build-sysroot): Document.
5957 * Makefile.in (inhibit_libc): New variable.
5958 (INHIBIT_LIBC_CFLAGS): Likewise.
5959 (LIBGCC2_CFLAGS): Include
5960 $(INHIBIT_LIBC_CFLAGS).
5961 (CRTSTUFF_CFLAGS): Include $(INHIBIT_LIBC_CFLAGS).
5962 ($(T)crtbegin.o): Do not use @inhibit_libc@.
5963 ($(T)crtend.o): Likewise.
5964 ($(T)crtbeginS.o): Do not use @inhibit_libc@.
5965 ($(T)crtendS.o): Likewise.
5966 ($(T)crtbeginT.o): Do not use @inhibit_libc@.
5967 ($(T)crtendT.o): Likewise.
5968 (stmp-fixinc): Do not complain about missing headers if
5970 * configure.ac (inhibit_libc): Set it to true/false.
5971 (--with-build-sysroot): New option. Use it to set
5973 * configure: Regenerated.
5975 2005-07-25 Manfred Hollstein <mh@suse.com>
5977 * calls.c (store_one_arg): Fix unsigned comparison warning.
5979 2005-07-25 Serge Belyshev <belyshev@depni.sinp.msu.ru>
5982 * ggc-zone.c (ggc_alloc_zone_stat): Do not use CHUNK_OVERHEAD.
5983 (ggc_print_statistics): Initialize variable before use.
5985 2005-07-25 Richard Guenther <rguenther@suse.de>
5987 * tree-dfa.c (mark_new_vars_to_rename): Protect against
5988 calling with a PHI_NODE argument.
5990 * tree-flow-inline.h (overlap_subvar): Protect against
5993 2005-07-25 Paolo Bonzini <bonzini@gnu.org>
5995 * aclocal.m4 (gcc_AC_CHECK_TOOL): Add /bin to default directory.
5996 * configure: Regenerate.
5998 2005-07-25 Ira Rosen <irar@il.ibm.com>
6000 * expr.c (highest_pow2_factor): Make extern.
6001 * tree-data-ref.c (ptr_decl_may_alias_p): New function.
6002 (ptr_ptr_may_alias_p, may_alias_p, record_ptr_differ_p,
6003 record_array_differ_p, array_ptr_differ_p): Likewise.
6004 (base_object_differ_p): Rename (from array_base_name_differ_p). Support
6005 additional cases. Call the above functions.
6006 (base_addr_differ_p): Moved from tree-vect-analyze.c. Call
6007 base_object_differ_p when there are two base objects. Otherwise, compare
6008 base address and offset. Call may_alias_p.
6009 (dump_data_reference): Use a correct field name.
6010 (analyze_array): Make static. Initialize new data-ref fields.
6011 (analyze_indirect_ref): New function.
6012 (init_data_ref): Initialize new data-ref fields.
6013 (strip_conversion): Moved from tree-vect-analyze.c.
6014 (analyze_offset_expr, get_ptr_offset, address_analysis,
6015 object_analysis): Likewise.
6016 (analyze_offset): New function.
6017 (create_data_ref): Likewise.
6018 (initialize_data_dependence_relation): Call base_addr_differ_p. Compare
6019 dimensions for ARRAY_REFs only.
6020 (build_classic_dist_vector): Make static.
6021 (access_functions_are_affine_or_constant_p): Call macro to get the
6022 address of access functions.
6023 (compute_all_dependences): Add new parameter
6024 compute_self_and_read_read_dependences. Compute self and read-read
6025 dependences if it is true.
6026 (find_data_references_in_loop): Call create_data_ref. Initialize new
6028 (compute_data_dependences_for_loop): Add new parameter
6029 compute_self_and_read_read_dependences. Remove parameter nb_loops,
6030 compute nb_loops. Call compute_all_dependences,
6031 build_classic_dist_vector and build_classic_dir_vector with correct
6033 (analyze_all_data_dependences): Call compute_data_dependences_for_loop
6034 with correct parameters. Compare dimensions for ARRAY_REFs only.
6035 (free_data_refs): Call macro to free access functions.
6036 * tree-data-ref.h (struct first_location_in_loop): New structure. Move
6037 fields from stmt_vinfo.
6038 (struct base_object_info): New structure.
6039 (struct data_reference): Move fields to base_object_info. Add fields
6040 first_location and object_info for above structures. Move fields from
6041 stmt_info: memtag, ptr_info, subvars, misalignment. Add new field
6042 aligned_to. Add macros to access the new fields.
6043 Update functions declarations.
6044 * tree-flow.h (is_aliased_with): Declare.
6045 * tree-loop-linear.c (linear_transform_loops): Call
6046 compute_data_dependences_for_loop with correct parameters.
6047 * tree-ssa-alias.c (is_aliased_with): New function.
6048 * tree-vect-analyze.c (vect_get_ptr_offset): Remove.
6049 (vect_analyze_offset_expr, vect_base_addr_differ_p): Likewise.
6050 (vect_analyze_data_ref_dependence): Get ddr. Remove call to
6051 vect_base_addr_differ_p, compute_subscript_distance and
6052 build_classic_dist_vector. Add printings. Check absolute value of
6054 (vect_analyze_data_ref_dependences): Go through ddrs instead of
6056 (vect_compute_data_ref_alignment): Get the fields of data-ref instead of
6057 stmt. Check aligned_to. Check if the base is aligned. Remove conversion
6058 to bytes. Add printing.
6059 (vect_compute_data_refs_alignment): Go through loads and stores in one
6061 (vect_enhance_data_refs_alignment, vect_analyze_data_refs_alignment,
6062 vect_analyze_data_ref_access): Likewise.
6063 (vect_analyze_pointer_ref_access): Remove.
6064 (vect_address_analysis, vect_object_analysis): Likewise.
6065 (vect_analyze_data_refs): Call compute_data_dependences_for_loop to find
6066 and analyze data-refs in the loop.
6067 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Get the
6068 fields of data-ref instead of stmt. Add init to the offset from the
6070 (vect_create_data_ref_ptr): Get the fields of data-ref instead of stmt.
6071 (vect_update_init_of_dr): Likewise.
6072 (vect_update_inits_of_drs): Go through loads and stores in one loop.
6073 * tree-vectorizer.c (new_stmt_vec_info): Remove initialization of
6075 (new_loop_vec_info): Initialize new fields.
6076 (destroy_loop_vec_info): Free new fields.
6077 (vect_strip_conversion): Remove.
6078 * tree-vectorizer.h (enum verbosity_levels): Add new verbosity level.
6079 (struct _loop_vec_info): Unify data_ref_writes and data_ref_reads into
6080 datarefs. Add new field ddrs.
6081 Add macros for the new fields access.
6082 (struct _stmt_vec_info): Remove: base_address, initial_offset, step,
6083 base_aligned_p, misalignment, memtag, ptr_info and subvars.
6084 Remove their macros.
6085 * tree.h (highest_pow2_factor): Declare.
6087 2005-07-25 Jakub Jelinek <jakub@redhat.com>
6089 * calls.c (store_one_arg): Check for sibling call MEM arguments
6090 from already clobbered incoming argument area.
6092 2005-07-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6094 * c-common.c (check_missing_format_attribute): New.
6095 * c-common.h (check_missing_format_attribute): Likewise.
6096 * c-typeck.c (convert_for_assignment): Use it.
6098 2005-07-24 Andreas Schwab <schwab@suse.de>
6100 * config/m68k/m68k.md ("extendqidi2"): When source is an address
6101 register use a word move. Correct operand of ext.w in 68000 code.
6103 2005-07-23 Mark Mitchell <mark@codesourcery.com>
6105 * dwarf2out.c (gen_variable_die): Treat un-emitted COMDAT
6106 variables as declarations, rather than definitions.
6108 2005-07-24 Ira Rosen <irar@il.ibm.com>
6110 PR tree-optimization/22526
6111 * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Match the type
6114 2005-07-24 Francois-Xavier Coudert <coudert@clipper.ens.fr>
6116 * builtins.def: Add DEF_EXT_C99RES_BUILTIN to define builtins
6117 that C99 reserve for future use. Use it to define clog10,
6118 clog10f and clog10l.
6120 2005-07-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6122 * Makefile.in (STRICT2_WARN): Add -Wmissing-format-attribute.
6123 * configure.ac: Check for -Wmissing-format-attribute.
6125 * configure: Regenerate.
6127 2005-07-23 Richard Henderson <rth@redhat.com>
6129 PR tree-optimization/22623
6130 * tree-complex.c (set_component_ssa_name): Use replace_ssa_name_symbol.
6132 2005-07-23 Giovanni Bajo <giovannibajo@libero.it>
6135 * config/pa/pa.c (reloc_needed): Updated for VECs inside CONSTRUCTOR.
6137 2005-07-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6139 * Makefile.in (C_TREE_H): Update dependencies.
6140 * c-tree.h: Include toplev.h.
6141 * diagnostic.h (diagnostic_set_info): Add format attribute.
6142 * rtl-error.c (diagnostic_for_asm): Likewise.
6144 2005-07-23 Chao-ying Fu <fu@mips.com>
6146 * config/mips/mips-dsp.md: New file.
6147 * config/mips/mips-modes.def (V4QI, V2HI, CCDSP): New modes.
6148 * config/mips/mips.c (mips_function_type): Add types for DSP builtin
6150 (mips_builtin_type): Add MIPS_BUILTIN_DIRECT_NO_TARGET and
6151 MIPS_BUILTIN_BPOSGE32.
6152 (mips_expand_builtin_direct): Add one parameter to indicate that
6153 builtin functions need to return a value.
6154 (mips_expand_builtin_bposge): New for expanding "bposge" builtin
6156 (mips_regno_to_class): Add classes for 12 new DSP registers.
6157 (mips_subword): Change to check four HI registers.
6158 (mips_output_move): Output move to and from 6 new DSP accumulators.
6159 (override_options): Make sure -mdsp and -mips16 are not used together.
6160 Map 'A' to DSP_ACC_REGS and 'a' to ACC_REGS. Enable DSP accumulators
6162 (mips_conditional_register_usage): Disable 6 new DSP accumulators
6164 (print_operand): Add 'q' for printing DSP accumulators.
6165 (mips_cannot_change_mode_class): Check ACC_REGS.
6166 (mips_secondary_reload_class): Check ACC_REGS.
6167 (mips_vector_mode_supported_p): Enable V2HI and V4QI when TARGET_DSP.
6168 (mips_register_move_cost): Check ACC_REGS.
6169 (CODE_FOR_mips_addq_ph, CODE_FOR_mips_addu_qb, CODE_FOR_mips_subq_ph)
6170 (CODE_FOR_mips_subu_qb): New code-aliasing macros.
6171 (DIRECT_NO_TARGET_BUILTIN, BPOSGE_BUILTIN): New macros.
6172 (dsp_bdesc): New array.
6173 (bdesc_arrays): Add DSP builtin function table.
6174 (mips_prepare_builtin_arg): Check predicate again after
6176 (mips_expand_builtin): Add one more parameter to
6177 mips_expand_builtin_direct. Expand MIPS_BUILTIN_DIRECT_NO_TARGET and
6178 MIPS_BUILTIN_BPOSGE32.
6179 (mips_init_builtins): Initialize new function types.
6180 (mips_expand_builtin_direct): Check if builtin functions need to
6181 return a value and pass operands properly.
6182 (mips_expand_builtin_bposge): New function.
6183 * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Add __mips_dsp.
6184 (ASM_SPEC): Map -mdsp to -mdsp in GAS.
6185 (FIRST_PSEUDO_REGISTER): Increase to 188.
6186 (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
6187 Update for 12 new DSP registers.
6188 (DSP_ACC_REG_FIRST, DSP_ACC_REG_LAST, DSP_ACC_REG_NUM, AC1HI_REGNUM)
6189 (AC1LO_REGNUM, AC2HI_REGNUM, AC2LO_REGNUM, AC3HI_REGNUM, AC3LO_REGNUM):
6190 (DSP_ACC_REG_P, ACC_REG_P, ACC_HI_REG_P): New macros.
6191 (reg_class): Add DSP_ACC_REGS and ACC_REGS.
6192 (REG_CLASS_NAMES): Add names for DSP_ACC_REGS and ACC_REGS.
6193 (REG_CLASS_CONTENTS): Update for DSP_ACC_REGS, ACC_REGS and ALL_REGS.
6194 (REG_ALLOC_ORDER): Update for 12 new DSP registers.
6195 (mips_char_to_class): Add 'A' for DSP_ACC_REGS and 'a' for ACC_REGS.
6196 (UIMM6_OPERAND, IMM10_OPERAND): New macros.
6197 (EXTRA_CONSTRAINT_Y): Add YA and YB extra constraints.
6198 (REGISTER_NAMES): Add names for 12 new DSP registers.
6199 * config/mips/mips.md: Include mips-dsp.md.
6200 (UNSPEC_ADDQ, UNSPEC_ADDQ_S, UNSPEC_SUBQ, UNSPEC_SUBQ_S, UNSPEC_ADDSC)
6201 (UNSPEC_ADDWC, UNSPEC_MODSUB, UNSPEC_RADDU_W_QB, UNSPEC_ABSQ_S)
6202 (UNSPEC_PRECRQ_QB_PH, UNSPEC_PRECRQ_PH_W, UNSPEC_PRECRQ_RS_PH_W)
6203 (UNSPEC_PRECRQU_S_QB_PH, UNSPEC_PRECEQ_W_PHL, UNSPEC_PRECEQ_W_PHR)
6204 (UNSPEC_PRECEQU_PH_QBL, UNSPEC_PRECEQU_PH_QBR, UNSPEC_PRECEQU_PH_QBLA)
6205 (UNSPEC_PRECEQU_PH_QBRA, UNSPEC_PRECEU_PH_QBL, UNSPEC_PRECEU_PH_QBR)
6206 (UNSPEC_PRECEU_PH_QBLA, UNSPEC_PRECEU_PH_QBRA, UNSPEC_SHLL)
6207 (UNSPEC_SHLL_S, UNSPEC_SHRL_QB, UNSPEC_SHRA_PH, UNSPEC_SHRA_R)
6208 (UNSPEC_MULEU_S_PH_QBL, UNSPEC_MULEU_S_PH_QBR, UNSPEC_MULQ_RS_PH)
6209 (UNSPEC_MULEQ_S_W_PHL, UNSPEC_MULEQ_S_W_PHR, UNSPEC_DPAU_H_QBL)
6210 (UNSPEC_DPAU_H_QBR, UNSPEC_DPSU_H_QBL, UNSPEC_DPSU_H_QBR)
6211 (UNSPEC_DPAQ_S_W_PH, UNSPEC_DPSQ_S_W_PH, UNSPEC_MULSAQ_S_W_PH)
6212 (UNSPEC_DPAQ_SA_L_W, UNSPEC_DPSQ_SA_L_W, UNSPEC_MAQ_S_W_PHL)
6213 (UNSPEC_MAQ_S_W_PHR, UNSPEC_MAQ_SA_W_PHL, UNSPEC_MAQ_SA_W_PHR)
6214 (UNSPEC_BITREV, UNSPEC_INSV, UNSPEC_REPL_QB, UNSPEC_REPL_PH)
6215 (UNSPEC_CMP_EQ, UNSPEC_CMP_LT, UNSPEC_CMP_LE, UNSPEC_CMPGU_EQ_QB)
6216 (UNSPEC_CMPGU_LT_QB, UNSPEC_CMPGU_LE_QB, UNSPEC_PICK, UNSPEC_PACKRL_PH)
6217 (UNSPEC_EXTR_W, UNSPEC_EXTR_R_W, UNSPEC_EXTR_RS_W, UNSPEC_EXTR_S_H)
6218 (UNSPEC_EXTP, UNSPEC_EXTPDP, UNSPEC_SHILO, UNSPEC_MTHLIP, UNSPEC_WRDSP)
6219 (UNSPEC_RDDSP): New constants.
6220 (*movdi_32bit): Change 'x' to 'a' for ACC_REGS.
6221 (*movsi_internal): Change 'x' to 'a' for ACC_REGS. Add an
6223 * config/mips/mips.opt (-mdsp): New option.
6224 * config/mips/predicates.md (const_uimm6_operand, const_imm10_operand)
6225 (reg_imm10_operand): New predicates.
6226 * doc/extend.texi (MIPS DSP Built-in Functions): New section.
6227 * doc/invoke.texi (-mdsp): Document new option.
6229 2005-07-22 DJ Delorie <dj@redhat.com>
6231 * c-objc-common.c (c_cannot_inline_tree_fn): Add warning control
6233 * tree-inline.c (inlinable_function_p): Likewise.
6235 2005-07-22 Mark Mitchell <mark@codesourcery.com>
6238 * toplev.c (check_global_declarations): Do not mark undefined
6239 variables as DECL_IGNORED_P.
6240 * varasm.c (first_global_object_name): GTY it.
6241 (weak_global_object_name): Likewise.
6242 (notice_global_symbol): Use ggc_strdup, not xstrdup, when creating
6243 a string to go into {weak,first}_global_object_name.
6245 2005-07-22 DJ Delorie <dj@redhat.com>
6247 * c-format.c (check_function_format): Change warning control
6248 option from OPT_Wattribute to OPT_Wmissing_format_attribute.
6250 2005-07-22 Diego Novillo <dnovillo@redhat.com>
6252 * tree-ssa-alias.c (count_ptr_derefs): Do not consider
6253 &PTR->FLD a dereference of PTR.
6254 * tree-ssa-structalias.c (update_alias_info): Consider &PTR->FLD
6255 a potential dereference of PTR.
6257 2005-07-22 J"orn Rennecke <joern.rennecke@st.com>
6259 PR rtl-optimization/20370
6260 * ifcvt.c (dead_or_predicable): Before calling propagate_block,
6261 call allocate_reg_info if necessary.
6263 PR rtl-optimization/21848
6264 * calls.c (emit_library_call_value_1): For const functions, add
6265 USEs of the stack slots to CALL_INSN_FUNCTION_USAGE.
6267 PR rtl-optimization/22445
6268 * cselib.c (target.h): Include.
6269 (rtx_equal_for_cselib_p): Allow commutative matches.
6270 (cselib_hash_rtx): Don't use MODE for CONST_INT hashing.
6271 Remove MODE parameter. Changed all callers.
6273 PR rtl-optimization/22258
6274 * combine.c (likely_spilled_retval_1, likely_spilled_retval_p):
6276 (try_combine): Use likely_spilled_retval_p.
6278 2005-07-22 Paul Woegerer <paul.woegerer@nsc.com>
6280 * config.gcc: Add crx-elf support.
6282 * doc/contrib.texi: Mention crx.
6283 * doc/extend.texi: Document crx extensions.
6284 * doc/install.texi: Document crx install.
6285 * doc/invoke.texi: Document crx options.
6286 * doc/md.texi: Document crx constraints.
6288 * config/crx/crx-protos.h: New file.
6289 * config/crx/crx.c: New file.
6290 * config/crx/crx.h: New file.
6291 * config/crx/crx.md: New file.
6292 * config/crx/crx.opt: New file.
6293 * config/crx/t-crx: New file.
6295 2005-07-22 Manfred Hollstein <mh@suse.com>
6297 * tree-ssa-structalias.c (merge_graph_nodes): Fix uninitialised
6299 (int_add_graph_edge): Likewise.
6300 (collapse_nodes): Likewise.
6301 (process_unification_queue): Likewise.
6303 2005-07-22 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6304 Laurent GUERBY <laurent@guerby.net>
6306 PR tree-optimization/22336
6307 * function.c (record_block_change): Check for
6308 cfun->ib_boundaries_block.
6310 2005-07-21 James A. Morrison <phython@gcc.gnu.org>
6312 * fold-const.c (fold_unary): Don't strip signed nops from ABS_EXPRs.
6313 (tree_expr_nonnegative_p): Return try for TYPE_UNSIGNED.
6315 2005-07-21 DJ Delorie <dj@redhat.com>
6317 * toplev.c (warn_deprecated_use): Add warning control to warning
6319 * c-typeck.c (parser_build_binary_op): Likewise.
6320 (c_finish_if_stmt): Likewise.
6321 * c-common.c (check_function_sentinel): Likewise.
6322 (check_nonnull_arg): Likewise.
6324 2005-07-21 Richard Henderson <rth@redhat.com>
6327 * tree-complex.c (complex_ssa_name_components): New.
6328 (cvc_lookup): Allow entry not found.
6329 (create_components): Remove.
6330 (create_one_component_var, get_component_var): New.
6331 (get_component_ssa_name, set_component_ssa_name): New.
6332 (extract_component): Use get_component_ssa_name.
6333 (update_complex_components): Use set_component_ssa_name.
6334 (update_complex_components_on_edge): Likewise.
6335 (update_phi_components): Create new PHI nodes directly, instead
6336 of adding insns to edges.
6337 (tree_lower_complex): Allocate and free complex_variable_components
6338 and complex_ssa_name_components here.
6340 2005-07-20 Daniel Berlin <dberlin@dberlin.org>
6342 * alias.c (nonoverlapping_component_refs_p): Use TYPE_MAIN_VARIANT,
6343 revert to returning false.
6345 2005-07-21 Uros Bizjak <uros@kss-loka.si>
6348 * config/i386/i386.md (sse_movhlps): Fix vec_select values.
6350 2005-07-21 Uros Bizjak <uros@kss-loka.si>
6353 * config/i386/i386.md (cmpxf): Change operand constraints
6354 to "nonmemory_operand".
6356 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
6358 * config/i386/i386.md (trap): Use "".word/t0x0b0f" instead of ud2.
6360 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
6363 * fold-const.c (fold_build1): Add checksum for the operands.
6364 (fold_build2): Likewise.
6365 (fold_build3): Likewise.
6367 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
6370 * fold-const.c (fold_binary): Transform "(X | Y) ^ X" to "Y & ~ X".
6372 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
6374 * common.opt (-fforward-propagate): Committed by mistake,
6377 2005-07-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6379 * reg-stack.c: Fix comment typo(s).
6380 * tree-ssa-operands.c: Likewise.
6381 * tree-vectorizer: Likewise.
6383 2005-07-21 Nick Clifton <nickc@redhat.com>
6385 * config/sh/symbian.c: Replace C++ style line comments with C
6386 style line comments.
6387 (symbian_add_attribute): Do not use a ? operator on the LHS of
6389 (sh_symbian_handle_dll_attribute): Change the type of the
6390 method vector to "VEC(tree,gc)*" and use vector accessor
6391 macros to walk over the elements.
6392 (symbian_export_vtable_and_rtti_p): Likewise.
6393 (symbian_class_needs_attribute_p): Likewise.
6395 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
6398 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Do not
6399 initialize targetm.resolve_overloaded_builtin here.
6400 (altivec_expand_overloaded_builtin): Make it non-static.
6401 * config/rs6000/rs6000-protos.h
6402 (altivec_expand_overloaded_builtin): New prototype.
6403 * config/rs6000/rs6000.h (REGISTER_TARGET_PRAGMAS): Initialize
6404 targetm.resolve_overloaded_builtin here.
6405 * config/rs6000/darwin.h (REGISTER_TARGET_PRAGMAS): Likewise.
6407 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
6408 Zdenek Dvorak <dvorakz@suse.cz>
6410 PR tree-optimization/19210
6411 * common.opt (Wunsafe-loop-optimizations, funsafe-loop-optimizations):
6413 * Makefile.in (tree-ssa-loop-niter.o): Depend intl.o.
6414 * loop-iv.c (get_simple_loop_desc): If -funsafe-loop-optimizations,
6415 rely on unproven assumptions.
6416 * predict.c (predict_loops): Adjust call to number_of_iterations_exit.
6417 * tree-flow.h (number_of_iterations_exit): Add final parameter.
6418 * tree-scalar-evolution.c (number_of_iterations_in_loop): Adjust call
6419 to number_of_iterations_exit.
6420 * tree-ssa-loop-ivcanon.c (empty_loop_p): Likewise.
6421 * tree-ssa-loop-ivopts.c (niter_for_exit): Likewise.
6422 * tree-ssa-loop-niter.c (find_loop_niter,
6423 estimate_numbers_of_iterations_loop): Likewise.
6424 (number_of_iterations_exit): Honor the new options.
6425 * doc/invoke.texi (Wunsafe-loop-optimizations,
6426 funsafe-loop-optimizations): Document them.
6428 2005-07-21 Richard Sandiford <richard@codesourcery.com>
6430 PR rtl-optimization/22167
6431 * gcse.c (hoist_code): Fix hoist_exprs[] check.
6433 2005-07-20 Adam Nemet <anemet@lnxw.com>
6435 * config/rs6000/lynx.h: Mark __do_global_ctors_aux and
6436 __do_global_dtors_aux longcall.
6438 2005-07-20 Kazu Hirata <kazu@cs.umass.edu>
6440 * gensupport.c (old_preds): Don't reference PREDICATE_CODES.
6441 (old_special_pred_table): Don't reference
6442 SPECIAL_MODE_PREDICATES.
6443 * system.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Poison.
6444 * config/arc/arc.h: Don't mention PREDICATE_CODES.
6445 * config/sh/predicates.h: Don't mention
6446 SPECIAL_MODE_PREDICATES.
6447 * doc/tm.texi (PREDICATE_CODES, SPECIAL_MODE_PREDICATES):
6450 2005-07-20 DJ Delorie <dj@redhat.com>
6452 * config.gcc: Add m32c-elf support.
6454 * doc/contrib.texi: Mention m32c.
6455 * doc/extend.texi: Document m32c extensions.
6456 * doc/install.texi: Mention m32c.
6457 * doc/invoke.texi: Document m32c options.
6458 * doc/md.texi: Document m32c constraints.
6460 * config/m32c/addsub.md: New file.
6461 * config/m32c/bitops.md: New file.
6462 * config/m32c/cond.md: New file.
6463 * config/m32c/jump.md: New file.
6464 * config/m32c/m32c-lib1.S: New file.
6465 * config/m32c/m32c-lib2.c: New file.
6466 * config/m32c/m32c-modes.def: New file.
6467 * config/m32c/m32c-pragma.c: New file.
6468 * config/m32c/m32c-protos.h: New file.
6469 * config/m32c/m32c.abi: New file.
6470 * config/m32c/m32c.c: New file.
6471 * config/m32c/m32c.h: New file.
6472 * config/m32c/m32c.md: New file.
6473 * config/m32c/m32c.opt: New file.
6474 * config/m32c/minmax.md: New file.
6475 * config/m32c/mov.md: New file.
6476 * config/m32c/muldiv.md: New file.
6477 * config/m32c/predicates.md: New file.
6478 * config/m32c/prologue.md: New file.
6479 * config/m32c/shift.md: New file.
6480 * config/m32c/t-m32c: New file.
6482 2005-07-20 Kaz Kojima <kkojima@gcc.gnu.org>
6484 * config/sh/sh.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
6485 (stack_protect_set, stack_protect_test): New expanders.
6486 (stack_protect_set_si, stack_protect_set_si_media,
6487 stack_protect_set_di_media, stack_protect_test_si,
6488 stack_protect_test_si_media, stack_protect_test_di_media):
6491 2005-07-20 Andrew Pinski <pinskia@physics.uc.edu>
6493 * c-typeck.c (output_init_element): Don't copy the INTEGER_CST.
6495 2005-07-20 James A. Morrison <phython@gcc.gnu.org>
6497 * tree.h (tree_expr_nonzero_p): Export.
6498 * fold-const.c (tree_expr_nonzero_p): Likewise.
6499 Return true for CALL_EXPRs that are alloca calls.
6500 (fold_binary): Use omit_one_operand when checking EQ_EXPRs or NE_EXPRs
6502 * tree-flow.h (expr_computes_nonzero): Remove.
6503 * tree-vrp.c (expr_computes_nonzero): Remove.
6504 (vrp_expr_computes_nonzero): Use tree_expr_nonzero_p.
6505 (extract_range_from_unary_expr): Likewise.
6506 * tree-ssa-dom.c (record_equivalences_from_stmt): Use
6507 tree_expr_nonzero_p.
6509 2005-07-20 Bernd Schmidt <bernd.schmidt@analog.com>
6511 * config/bfin/bfin-protos.h (legitimize_pic_address): Don't declare.
6512 * config/bfin/bfin.c (legitimize_pic_address): Now static. Take
6513 extra arg "picreg" and use it instead of pic_offset_table_rtx.
6514 All callers changed.
6515 (frame_related_constant_load): New arg "related" which controls
6516 setting of RTX_FRAME_RELATED_P. All callers changed.
6517 (bfin_load_pic_reg): New function, broken out of bfin_expand_prologue.
6518 (bfin_expand_prologue): Add stack limit checking.
6519 * config/bfin/bfin.md (trapifcc): New pattern.
6521 * config/bfin/bfin.c: Include "langhooks.h".
6522 (def_builtin): Go through lang_hooks to call builtin_function.
6524 * config/bfin/bfin-protos.h (bfin_longcall_p): Declare.
6525 * config/bfin/predicates.md (symbol_ref_operand): New.
6526 (call_insn_operand): Delete. All callers changed to use
6527 register_no_elim_operand.
6528 * config/bfin/bfin.c (init_cumulative_args): Initialize the new
6530 (function_arg): Use it to generate the call's operand 2.
6531 (bfin_longcall_p): New function.
6532 (bfin_expand_call): Extra arg "cookie". All callers and declaration
6533 changed. Emit extra USE in the pattern. Use bfin_longcall_p to
6534 determine if the address needs to be in a REG.
6535 (bfin_handle_longcall_attribute): New function.
6536 (bfin_attribute_table): Add "longcall" and "shortcall".
6537 * config/bfin/bfin.h (CALL_NORMAL, CALL_LONG, CALL_SHORT): New macros.
6538 (CUMULATIVE_ARGS): New member call_cookie.
6539 (PREDICATE_CODES): Add symbol_ref_operand.
6540 * config/bfin/bfin.md (call, call_value, sibcall, sibcall_value): Add
6541 extra USE to the pattern.
6542 (call_symbol, sibcall_symbol, call_value_symbol, sibcall_value_symbol):
6543 New patterns, split off call_insn, sibcall_insn, call_value_insn and
6544 sibcall_value_insn; now the new patterns handle direct calls and the
6545 old ones indirect calls.
6546 * doc/extend.texi: Mention Blackfin in longcall/shortcall docs.
6548 2005-07-20 Zdenek Dvorak <dvorakz@suse.cz>
6550 * doc/trouble.texi: Update section on handling of empty loops.
6552 2005-07-20 Kazu Hirata <kazu@codesourcery.com>
6554 * config.gcc: Remove support for sparc-*-openbsd*,
6555 i860-*-sysv4*, ip2k-*-elf, ns32k-*-netbsdelf*,
6557 * config.host: Remove support for i860-*-sysv4* as a host.
6558 * config/i860/*, config/ip2k/*, config/ns32k/*,
6559 config/sparc/openbsd.h, config/sparc/t-openbsd: Remove.
6560 * doc/install.texi, doc/invoke.texi, doc/md.texi: Don't
6561 mention obsolete ports.
6563 2005-07-20 Kaz Kojima <kkojima@gcc.gnu.org>
6565 * config/sh/sh.c (regno_reg_class): Add GENERAL_REGS for
6567 (sh_expand_prologue): Use hard_frame_pointer_rtx instead
6568 of frame_pointer_rtx.
6569 (sh_expand_epilogue): Likewise.
6570 (sh_set_return_address): Likewise.
6571 (initial_elimination_offset): Use HARD_FRAME_POINTER_REGNUM
6572 instead of FRAME_POINTER_REGNUM if needed. Add elimination
6573 offsets from FRAME_POINTER_REGNUM.
6574 * config/sh/sh.h (SH_REGISTER_NAMES_INITIALIZER): Add sfp.
6575 (sh_register_names): Add initializer for sfp.
6576 (GENERAL_OR_AP_REGISTER_P): Permit FRAME_POINTER_REGNUM.
6577 (VALID_REGISTER_P): Likewise.
6578 (FIRST_PSEUDO_REGISTER): Update.
6579 (DWARF_FRAME_REGISTERS): Define.
6580 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add sfp.
6581 (HARD_FRAME_POINTER_REGNUM): Define.
6582 (FRAME_POINTER_REGNUM): Redefine.
6583 (ELIMINABLE_REGS): Never eliminate to FRAME_POINTER_REGNUM,
6584 but HARD_FRAME_POINTER_REGNUM instead. Add eliminations
6585 from FRAME_POINTER_REGNUM.
6586 (CAN_ELIMINATE): Use HARD_FRAME_POINTER_REGNUM instead of
6587 FRAME_POINTER_REGNUM.
6588 (REG_CLASS_CONTENTS): Add sfp.
6589 (REG_ALLOC_ORDER): Likewise.
6590 (FRAME_GROWS_DOWNWARD): Set to 1. Update comment.
6591 (GO_IF_LEGITIMATE_ADDRESS): Use hard_frame_pointer_rtx instead
6592 of frame_pointer_rtx.
6593 (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
6595 2005-07-19 James A. Morrison <phython@gcc.gnu.org>
6597 * fold-const.c (tree_expr_nonnegative_p): Only return true for
6598 ABS_EXPR when flag_wrapv is false because of INT_MIN.
6599 (tree_expr_nonzero_p): Always call tree_expr_nonzero_p on the argument
6601 (fold_unary): Always fold ABS_EXPR<ABS_EXPR<x>> into
6604 2005-07-20 Giovanni Bajo <giovannibajo@libero.it>
6606 Make CONSTRUCTOR use VEC to store initializers.
6607 * c-common.c (complete_array_type): Update to cope with VEC in
6609 * c-pretty-print.c (pp_c_initializer_list): Use pp_c_constructor_elts.
6610 (pp_c_constructor_elts): New function.
6611 * c-pretty-print.h (pp_c_constructor_elts): Declare.
6612 * c-typeck.c (build_function_call, build_c_cast, digest_init,
6613 struct constructor_stack, struct initializer_stack,
6614 constructor_elements, push_init_level, pop_init_level,
6615 add_pending_init, find_init_member, output_init_element): Update to
6616 cope with VEC in CONSTRUCTOR_ELTS.
6617 * coverage.c (build_fn_info_value, build_ctr_info_value,
6618 build_gcov_info): Likewise.
6619 * expr.c (categorize_ctor_elements_1, store_constructor,
6620 expand_expr_real_1): Likewise.
6621 * fold-const.c (fold_ternary): Likewise.
6622 * gimplify.c (gimplify_init_ctor_preeval, zero_sized_field_decl,
6623 gimplify_init_constructor, gimplify_expr): Likewise.
6624 * tree-dump.c (dequeue_and_dump): Likewise.
6625 * tree-inline.c (copy_tree_r): Add code to duplicate a CONSTRUCTOR
6627 * tree-pretty-print.c (dump_generic_node): Update to cope with VEC in
6629 * tree-sra.c (generate_element_init_1): Likewise.
6630 * tree-ssa-ccp.c (fold_const_aggregate_ref): Likewise.
6631 * tree-ssa-operands.c (get_expr_operands): Likewise.
6632 * tree-vect-generic.c (expand_vector_piecewise): Likewise.
6633 * tree-vect-transform.c (vect_get_vec_def_for_operand):
6634 (get_initial_def_for_reduction): Likewise.
6635 * tree-vn.c (set_value_handle, get_value_handle): CONSTURCTOR uses
6636 value handle in annotations.
6637 * tree.c (tree_node_kind, tree_code_size, make_node_stat,
6638 tree_node_structure): Add support for constr_kind.
6639 (build_vector_from_ctor, build_constructor_single,
6640 build_constructor_from_list): New functions.
6641 (build_constructor): Update to take a VEC instead of a TREE_LIST.
6642 (simple_cst_equal, iterative_hash_expr, initializer_zerop, walk_tree):
6643 Update to cope with VEC in CONSTRUCTOR_ELTS.
6644 * tree.def (CONSTRUCTOR): Make it a tcc_exceptional node.
6645 * tree.h (FOR_EACH_CONSTRUCTOR_VALUE, FOR_EACH_CONSTRUCTOR_ELT,
6646 CONSTRUCTOR_APPEND_ELT): New macros.
6647 (struct constructor_elt, struct tree_constructor): New data types.
6648 (union tree_node): Add tree_constructor field.
6649 * treestruct.def: Define TS_CONSTRUCTOR.
6650 * varasm.c (const_hash_1, compare_constant, copy_constant,
6651 compute_reloc_for_constant, output_addressed_constants,
6652 initializer_constant_valid_p, output_constant,
6653 array_size_for_constructor, output_constructor): Update to cope with
6654 VEC in CONSTRUCTOR_ELTS.
6655 * vec.h (VEC_empty, VEC_copy): New macros.
6657 2005-07-19 Devang Patel <dpatel@apple.com>
6659 * dbxout.c (dbxout_type): Check Objective-C++ lang.
6661 2005-07-19 Richard Henderson <rth@redhat.com>
6664 * gimplify.c (gimplify_expr): Use main variant type for the temp
6665 destination for a discarded volatile read.
6666 * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't elide
6667 casts between non-void types that change volatility.
6669 2005-07-15 DJ Delorie <dj@redhat.com>
6671 * toplev.h: Add comment about the first parameter for warning().
6672 * errors.h: Likewise.
6674 * c.opt (Wpragmas): New.
6675 * doc/invoke.texi: Document it.
6677 * function.c (do_warn_unused_parameter): Add warning control to
6679 * c-decl.c (warn_if_shadowing): Likewise.
6680 * c-lex.c (cb_def_pragma): Likewise.
6681 * c-pragma.c (GCC_BAD, GCC_BAD2): Likewise.
6682 (pop_alignment): Likewise.
6683 (handle_pragma_pack): Likewise.
6684 (apply_pragma_weak): Likewise.
6685 (handle_pragma_weak): Likewise.
6686 (handle_pragma_redefine_extname): Likewise.
6687 (add_to_renaming_pragma_list): Likewise.
6688 (handle_pragma_extern_prefix): Likewise.
6689 (maybe_apply_renaming_pragma): Likewise.
6690 (handle_pragma_visibility): Likewise.
6692 * config/c4x/c4x-c.c (BAD): Likewise.
6693 (c4x_parse_pragma): Likewise.
6694 * config/ia64/ia64-c.c (ia64_hpux_handle_builtin_pragma): Likewise.
6695 * config/rs6000/rs6000-c.c (SYNTAX_ERROR): Likewise.
6696 (rs6000_pragma_longcall): Likewise.
6697 * config/v850/v850-c.c (pop_data_area): Likewise.
6698 (ghs_pragma_section): Likewise.
6699 (ghs_pragma_section): Likewise.
6700 (ghs_pragma_interrupt): Likewise.
6701 (ghs_pragma_starttda): Likewise.
6702 (ghs_pragma_startsda): Likewise.
6703 (ghs_pragma_startzda): Likewise.
6704 (ghs_pragma_endtda): Likewise.
6705 (ghs_pragma_endsda): Likewise.
6706 (ghs_pragma_endzda): Likewise.
6708 2005-07-19 Danny Berlin <dberlin@dberlin.org>
6709 Kenneth Zadeck <zadeck@naturalbridge.com>
6711 * Makefile.in: Removed tree-promote-statics.c
6712 * tree-promote-statics.c: Removed.
6713 * common.opt: Removed flag-promote-statics.
6715 * passes.c: Removed tree-promote-statics pass.
6716 * tree-pass.h: Ditto.
6717 * timevar.def: Removed TV_PROMOTE_STATICS.
6720 2005-07-19 Gerald Pfeifer <gerald@pfeifer.com>
6722 * config.gcc: Add support for *-*-freebsd7, *-*-freebsd8,
6724 * config/freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS): Ditto.
6726 2005-07-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6729 * c-common.c (check_function_arguments): Call
6730 'check_function_format' if either -Wformat or
6731 -Wmissing-format-attribute are specified.
6732 * c-format.c (check_function_format): Check -Wformat before
6733 calling 'check_format_info'.
6734 * c-opts.c (c_common_post_options): Don't warn for
6735 -Wmissing-format-attribute without -Wformat.
6736 * c-typeck.c (convert_for_assignment): Detect additional cases for
6737 -Wmissing-format-attribute.
6738 * doc/invoke.texi (-Wmissing-format-attribute): Document new
6741 2005-07-19 Richard Guenther <rguenther@suse.de>
6743 * config/i386/i386.md (lrint<mode>2): Use temporary
6744 instead of clobbering non-existent memory.
6746 2005-07-19 Nick Clifton <nickc@redhat.com>
6748 * config/avr/avr.c (legitimate_address_p): Fix debugging print
6749 statement to avoid displaying ASCII control characters.
6751 2005-07-19 Ben Elliston <bje@au.ibm.com>
6753 * bt-load.c (link_btr_uses): Fix uninitialised warnings.
6754 * cfganal.c (find_edge_index): Ditto.
6755 * combine.c (combine_instructions): Ditto.
6756 * ddg.c (create_scc): Ditto.
6757 (find_successors): Ditto.
6758 (find_predecessors): Ditto.
6759 (find_nodes_on_paths): Ditto.
6760 (longest_simple_path): Ditto.
6761 * flow.c (update_life_info): Ditto.
6762 (count_or_remove_death_notes): Ditto.
6763 (clear_log_links): Ditto.
6764 * modulo-sched.c (generate_reg_moves): Ditto.
6765 (find_max_asap): Ditto.
6766 (find_max_hv_min_mob): Ditto.
6767 (find_max_dv_min_mob): Ditto.
6768 * sbitmap.c (sbitmap_first_set_bit): Ditto.
6769 * sched-rgn.c (extract_edgelst): Ditto.
6770 * tree-into-ssa.c (prepare_names_to_update): Ditto.
6771 (dump_update_ssa): Ditto.
6772 (ssa_names_to_replace) Ditto.
6773 (switch_virtuals_to_full_rewrite): Ditto.
6774 (update_ssa): Ditto.
6775 * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
6777 2005-07-18 Daniel Berlin <dberlin@dberlin.org>
6779 Fix PR tree-optimization/22483
6781 * tree-complex.c (create_components): Use
6782 safe_referenced_var_iterator and FOR_EACH_REFERENCED_VAR_SAFE.
6783 * tree-flow-inline.h (fill_referenced_var_vec): New function.
6784 * tree-flow.h (safe_referenced_var_iterator): New structure.
6785 (FOR_EACH_REFERENCED_VAR_SAFE): New macro.
6786 * tree-ssa-alias.c (setup_pointers_and_addressables): Use
6787 safe_referenced_var iterator.
6788 (add_type_alias): Ditto.
6790 2005-07-19 Steven Bosscher <stevenb@suse.de>
6792 * loop-init.c (rest_of_handle_loop2): Remove.
6793 (rtl_loop_init, rtl_loop_done, rtl_move_loop_invariants,
6794 rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): New functions.
6795 (pass_rtl_loop_init, pass_rtl_loop_done,
6796 pass_rtl_move_loop_invariants, pass_rtl_unswitch,
6797 pass_rtl_unroll_and_peel_loops, pass_rtl_doloop): New passes.
6798 * tree-ssa-loop.c (pass_loop, pass_loop_init, pass_loop_done,
6799 pass_unswitch): Rename to pass_tree_loop, pass_tree_loop_init,
6800 pass_tree_loop_done, and pass_tree_unswitch.
6801 (gate_loop): Rename to gate_tree_loop.
6802 * passes.c (init_optimization_passes): Update for renamed tree
6803 loop passes. Add the new loop2 passes as subpasses of loop2.
6804 * tree-pass.h: Add extern declarations for the new loop2 subpasses.
6805 Update for the renamed tree loop passes.
6807 2005-07-18 Ian Lance Taylor <ian@airs.com>
6810 * tree-cfgcleanup.c (cleanup_tree_cfg): Only remove forwarder
6811 blocks when optimizing.
6813 2005-07-18 Steve Ellcey <sje@cup.hp.com>
6815 * common.opt (frename-registers): Initialize to 2.
6817 (fgcse-after-reload): Ditto.
6818 * toplev.c (AUTODETECT_FLAG_VAR_TRACKING): Rename to AUTODETECT_VALUE.
6819 (process_options): Only change flag_web, flag_rename_registers,
6820 and flag_rerun_cse_after_loop if not explicitly set by user.
6822 2005-07-18 Jan Beulich <jbeulich@novell.com>
6824 * config/i386/i386.c (ix86_expand_branch, ix86_expand_setcc,
6825 ix86_expand_carry_flag_compare, ix86_expand_int_movcc): Handle TImode
6826 in 64-bit mode the same as DImode in 32-bit mode.
6827 (ix86_expand_ashl_const, ix86_split_ashl, ix86_split_ashr,
6828 ix86_split_lshr): Likewise. Rename to no longer refer to a specific
6829 mode. Add new mode parameter.
6830 * config/i386/i386.h (CONST_OK_FOR_LETTER_P): Describe and handle 'O'.
6831 * config/i386/i386.md (cmpti, addti3, subti3, negti2, ashlti3, ashrti3,
6832 x86_64_shift_adj): New expanders.
6833 (*addti3_1, *subti3_1, *negti2_1, ashlti3_1, *ashlti3_2, ashrti3_1,
6834 *ashrti3_2, lshrti3_1, *lshrti3_2, x86_64_shld, x86_64_shrd): New
6836 Respective new splitters. Use renamed shift splitter helpers in 32-bit
6837 DImode shift splitters.
6838 * config/i386/i386-protos.h (ix86_split_ashl, ix86_split_ashr,
6839 ix86_split_lshr): Renamed from ix86_split_[al]sh[rl]di. Added new
6842 2005-07-18 Jan Beulich <jbeulich@novell.com>
6844 * i386.md (movdi_extzv_1): New.
6845 (zero_extendhidi2): Combine alternatives and never force use of
6847 (zero_extendqidi2): Likewise. Don't restrict input selection.
6849 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
6851 Fix PR tree-optimization/22531
6852 * tree-ssa-pre.c (do_eustores): Make sure LHS is a decl for the
6855 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
6857 * tree-promote-statics.c (pass_promote_statics): Change dump file
6860 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
6862 * tree-optimize.c (init_tree_optimization_passes): Add
6863 pass_eliminate_useless_stores pass.
6864 * tree-pass.h (pass_eliminate_useless_stores): New pass structure.
6865 * tree-ssa-pre.c (is_copy_stmt): New function.
6866 (follow_copies_till_vuse): Ditto.
6867 (do_eustores): Ditto.
6868 (gate_eustores): Ditto.
6870 2005-07-16 Richard Henderson <rth@redhat.com>
6872 * gcc.c (MFWRAP_SPEC): Don't wrap pthread_join or pthread_exit.
6874 2005-07-16 Danny Berlin <dberlin@dberlin.org>
6875 Kenneth Zadeck <zadeck@naturalbridge.com>
6877 * Makefile.in: Added rules for ipa-pure-const.c, ipa-reference.c,
6878 ipa-reference.h, ipa-utils.c, ipa-utils.h, ipa-type-escape.c,
6879 ipa-type-escape.h, tree-promote-statics.c
6880 * ipa-pure-const.c, ipa-reference.c, ipa-reference.h, ipa-utils.c,
6881 ipa-utils.h, ipa-type-escape.c, ipa-type-escape.h,
6882 tree-promote-statics.c: new files.
6883 * alias.c: (nonlocal_mentioned_p_1, nonlocal_mentioned_p,
6884 nonlocal_referenced_p_1, nonlocal_referenced_p, nonlocal_set_p_1,
6885 int nonlocal_set_p, mark_constant_function): Deleted.
6886 (rest_of_handle_cfg): Removed call to mark_constant_function.
6887 (nonoverlapping_component_refs_p): Added calls to support
6888 type based aliasing.
6889 * tree-ssa-alias.c (may_alias_p,
6890 compute_flow_insensitive_aliasing): Ditto.
6891 * calls.c (flags_from_decl_or_type): Removed reference to
6893 * c-typeck.c (convert_arguments): Make builtins tolerant of having
6894 too many arguments. This is necessary for Spec 2000.
6895 * cgraph.h (const_function, pure_function): Removed.
6896 * common.opt: Added "fipa-pure-const", "fipa-reference",
6897 "fipa-type-escape", and "ftree-promote-static".
6899 * passes.c: Added ipa and tree-promote-statics passes.
6900 * timevar.def: Added TV_IPA_PURE_CONST, TV_IPA_REFERENCE,
6901 TV_IPA_TYPE_ESCAPE, and TV_PROMOTE_STATICS.
6902 * tree-dfa.c (referenced_var_lookup_if_exists): New function.
6903 * tree-flow.h: Added exposed sra calls and addition of
6904 reference_vars_info field for FUNCTION_DECLS.
6905 * tree-pass.h: Added passes.
6906 * tree-sra.c: (sra_init_cache): New function.
6907 (sra_insert_before, sra_insert_after) Made public.
6908 (type_can_be_decomposed_p): Renamed from type_can_be_decomposed_p
6910 * tree-ssa-alias.c (dump_alias_stats): Added stats for type based
6911 aliasing. (may_alias_p): Added code to use type escape analysis to
6913 * tree-ssa-operands.c (add_call_clobber_ops): Added parameter and
6914 code to prune clobbers of static variables based on information
6915 produced in ipa-reference pass. Changed call clobbering so that
6916 statics are not marked as clobbered if the call does not clobber
6919 2005-07-16 Daniel Berlin <dberlin@dberlin.org>
6921 * tree-ssa-structalias.c (need_to_solve): Need to check for preds,
6924 2005-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
6926 * doc/install.texi (*-*-solaris2*): Document recommended version
6927 of GNU binutils and mention GNU linker problem on Solaris 10.
6929 2005-07-16 Joseph S. Myers <joseph@codesourcery.com>
6932 * c-decl.c (c_build_bitfield_integer_type): New function.
6933 (finish_struct): Call it.
6934 * c-pretty-print.c (pp_c_type_specifier): Handle bit-field types.
6936 2005-07-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6938 * c-typeck.c (digest_init): Call 'convert_for_assignment'
6941 2005-07-16 Jan Hubicka <jh@suse.cz>
6943 * cfg.c (update_bb_profile_for_threading): Fix profile updating.
6944 (scale_bbs_frequencies_int): Watch roundoff errors.
6945 * predict.c (return_prediction): Initialize return_stmt.
6947 2005-07-16 Jan Hubicka <jh@suse.cz>
6949 * profile.c (rest_of_handle_branch_prob): Fix handling of estimation
6950 after RTL profiling.
6952 2005-07-11 Andrew Pinski <pinskia@physics.uc.edu>
6955 * fold-const.c (build_range_check): Convert high/low to etype
6956 if we are only comparing against exp.
6958 2005-07-13 Daniel Berlin <dberlin@dberlin.org>
6960 Fix PR tree-optimization/22376
6961 * tree-ssa-structalias.c (build_constraint_graph): We really meant
6963 (need_to_solve): New function.
6964 (compute_points_to_sets): Use it.
6966 2005-07-15 Jan Hubicka <jh@suse.cz>
6968 * cfg.c (update_bb_profile_for_threading): More diagnostic.
6969 * tree-ssa-threadupdate.c (redirect_edges): Update profile of dup_block.
6971 2005-07-15 Richard Guenther <rguenther@suse.de>
6973 * c-common.c (handle_flatten_attribute): New function.
6974 Add flatten function attribute.
6975 * doc/extend.texi: Document flatten function attribute.
6976 * Makefile.in (ipa-inline.o): Depend on hashtab.h.
6977 * ipa-inline.c (cgraph_find_cycles, cgraph_flatten_node):
6979 (cgraph_decide_inlining): Handle functions with flatten
6982 2005-07-14 David Edelsohn <edelsohn@gnu.org>
6984 * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_LWSYNC,
6985 UNSPEC_ISYNC, UNSPEC_SYNC_OP, UNSPEC_ATOMIC, UNSPEC_CMPXCHG,
6986 UNSPEC_XCHG, UNSPEC_AND): New.
6987 (UNSPECV_ATOMIC, UNSPECV_SYNC, UNSPECV_SYNC_OP, UNSPECV_CMPXCHG,
6988 UNSPECV_LWSYNC, UNSPECV_ISYNC): Delete.
6989 * config/rs6000/sync.md (FETCHOP): New code macro.
6990 (fetchop_name, fetchop_pred, fetchopsi_constr, fetchopdi_constr):
6992 (memory_barrier, sync_internal): Use unspec instead of unspec_volatile.
6993 (sync_compare_and_swap<mode>): Same.
6994 (sync_lock_test_and_set<mode>): Same.
6995 (sync_<fetchop><mode>, sync_nand<mode>): Only use rs6000_emit_sync
6996 for QImode and HImode, and not PPC405.
6997 (sync_old_<fetchop><mode>, sync_old_nand<mode>): Same.
6998 (sync_new_<fetchop><mode>, sync_new_nand<mode>): Same.
6999 (sync_<fetchop>{si,di}_internal): New.
7000 (sync_nand{si,di}_internal): New.
7001 (sync_old_<fetchop>{si,di}_internal): New.
7002 (sync_old_nand{si,di}_internal): New
7003 (sync_new_<fetchop>{si,di}_internal): New.
7004 (sync_new_nand{si,di}_internal): New.
7005 (atomic_and{si,di}): New.
7006 (sync_new_nand{si,di}_internal): New.
7007 (atomic_and{si,di}): New.
7008 (sync_add<mode>_internal): Delete.
7009 (sync_addshort_internal): Use unspec instead of unspec_volatile.
7010 (sync_sub<mode>_internal): Delte.
7011 (sync_subshort_internal): New.
7012 (sync_andsi_internal): Use unspec instead of unspec_volatile.
7013 (sync_anddi_internal): Delete.
7014 (sync_boolsi_internal): Use unspec instead of unspec_volatile.
7015 (sync_booldi_internal): Delete.
7016 (sync_boolc<mode>_internal): Delete.
7017 (sync_boolcshort_internal): Use unspec instead of unspec_volatile.
7018 (sync_boolc<mode>_internal2): Delete.
7019 (sync_boolcc<mode>_internal): Delete.
7020 (isync, lwsync): Use unspec instead of unspec_volatile.
7021 * config/rs6000/rs6000.c (rs6000_emit_sync): Implement MINUS.
7022 Revert UNSPEC_VOLATILE.
7023 (rs6000_split_atomic_op): New.
7024 * config/rs6000/rs6000-protos.h (rs6000_split_atomic_op): Declare.
7026 2005-07-14 Eric Christopher <echristo@redhat.com>
7028 * config/mips/mips.c (mips_canonicalize_comparison): Cast
7029 argument of trunc_int_for_mode to unsigned HOST_WIDE_INT.
7031 2005-07-14 Eric Christopher <echristo@redhat.com>
7033 * config/s390/t-tpf (SHLIB_MAPFILES): Remove.
7035 2005-07-14 Steven Bosscher <stevenb@suse.de>
7037 PR tree-optimization/22230
7038 * tree-vrp.c (extract_range_from_binary_expr): Fix logics thinko in
7039 the computation of the four cross productions for "range op range".
7041 2005-07-14 Alexandre Oliva <aoliva@redhat.com>
7042 Ulrich Weigand <uweigand@de.ibm.com>
7045 * loop.c (loop_givs_rescan): Do not ICE if unable to reduce an IV
7048 2005-07-14 Ulrich Weigand <uweigand@de.ibm.com>
7050 * config/s390/s390.h (TARGET_TPF_PROFILING): Add default definition.
7052 2005-07-14 Steve Ellcey <sje@cup.hp.com>
7054 * config/ia64/ia64.c (ia64_output_dwarf_dtprel): Support ILP32 mode.
7056 2005-07-14 Richard Guenther <rguenther@suse.de>
7059 * config/i386/i386-protos.h (ix86_function_value): Change
7060 prototype to match new target hook.
7061 * config/i386/i386.c (ix86_value_regno): Change prototype
7062 to take extra type argument.
7063 (TARGET_FUNCTION_VALUE): Define.
7064 (ix86_function_ok_for_sibcall): Pass extra argument to
7065 ix86_value_regno, check return slot rtx for exact match.
7066 (ix86_function_value): Take extra parameter. Dispatch to
7067 ix86_value_regno with fndecl/fntype as provided.
7068 (ix86_value_regno): Handle extra type argument.
7069 * config/i386/i386.h (FUNCTION_VALUE): No longer define.
7071 * testsuite/gcc.target/i386/sseregparm-3.c: New testcase.
7072 * testsuite/gcc.target/i386/sseregparm-4.c: New testcase.
7073 * testsuite/gcc.target/i386/sseregparm-5.c: New testcase.
7074 * testsuite/gcc.target/i386/sseregparm-6.c: New testcase.
7075 * testsuite/gcc.target/i386/sseregparm-7.c: New testcase.
7077 2005-07-14 Richard Guenther <rguenther@suse.de>
7079 * Makefile.in (explow.o, reg-stack.o): Depend on target.h.
7080 * calls.c (expand_call): Pass fntype to hard_function_value.
7081 (emit_library_call_value_1): Likewise.
7082 * explow.c: Include target.h.
7083 (hard_function_value): Take extra argument, the fntype.
7084 Use new target hook for function_value.
7085 * expr.h (hard_function_value): Change prototype.
7086 * function.c (aggregate_value_p): Pass 0 as fntype to
7087 hard_function_value.
7088 (assign_parms): Use new target hook for function_value.
7089 Pass 0 as fntype to hard_function_value.
7090 (expand_function_end): Likewise.
7091 * reg-stack.c: Include target.h.
7092 (stack_result): Use new target hook for function_value.
7093 * target-def.h: New target hook function_value.
7094 * target.h: Likewise.
7095 * targhooks.c (default_function_value): New function.
7096 * targhooks.h (default_function_value): Declare.
7098 2005-07-13 Ian Lance Taylor <ian@airs.com>
7100 * config/mips/mips.h (CLZ_DEFINED_VALUE_AT_ZERO): Define.
7102 2005-07-14 Jan Hubicka <jh@suse.cz>
7104 * tree-dfa.c (dump_variable): Use default_def function.
7105 * tree-ssa-alias.c (dump_points_to_info): Likewise.
7106 * tree-ssa.c (verify_use): Likewise.
7107 * tree-ssanames.c (release_ssa_name): Likewise.
7108 * tree-tailcall.c (eliminate_tail_call): Likewise.
7109 (tree_optimize_tail_calls_1): Likewise.
7110 * tree-vrp.c (get_value_range): Likewise.
7112 2005-07-14 Ben Elliston <bje@au.ibm.com>
7114 * gcc.c (main): Compare language[0] with '*' when iterating over
7117 2005-07-13 Adrian Strae½tling <straetling@de.ibm.com>
7119 * config/s390/s390.c: (s390_cc_modes_compatible): Move before
7120 "s390_emit_compare". Add handling of CCZ1mode.
7121 (s390_canonicalize_comparison): Simplify cascaded EQ, NE.
7122 (390_emit_compare): Use "s390_cc_modes_compatible" for mode
7124 (s390_branch_condition_mask): Add CCZ1mode handling.
7125 * config/s390/s390.md: ("seq", "*seq"): New pattern.
7126 ("sync_compare_and_swap_cc<mode>", "*sync_compare_and_swap_cc<mode>"):
7127 Use CCZ1mode instead of CCZmode.
7128 * config/s390/s390-modes.def: Add CCZ1mode. Comment new mode.
7130 2006-07-13 Adrian Strae½tling <straetling@de.ibm.com>
7132 * config/s390/s390.md: ("cmpstrsi", "*cmpstr<mode>"): New
7134 ("strlen<mode>", "*strlen<mode>"): Use hard reg 0 in SImode.
7136 2005-07-13 Eric Christopher <echristo@redhat.com>
7138 * config/mips/mips.c (mips_canonicalize_comparison): New.
7139 (mips_emit_int_relational): Use.
7141 2005-07-13 Eric Christopher <echristo@redhat.com>
7143 * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
7145 * config/s390/s390.md: Include tpf.md. Move tpf specific
7147 * config/s390/tpf.md: To here.
7148 * config/s390/s390.opt: Move tpf specific options...
7149 * config/s390/tpf.opt: to here. Add mmain option.
7150 * config/s390/tpf-unwind.h: Remove unnecessary defines.
7151 * config/s390/tpf.h: Rewrite.
7153 2005-07-13 H.J. Lu <hongjiu.lu@intel.com>
7155 * doc/tm.texi: Remove @xref{Cross-profiling}.
7157 2005-07-13 Jeff Law <law@redhat.com>
7159 * fold-const.c (fold_binary): When comparing two simple ADDR_EXPR
7160 expressions, test their _DECL operands for pointer equality rather
7161 than using operand_equal_p.
7163 2005-07-13 H.J. Lu <hongjiu.lu@intel.com>
7165 * config/alpha/linux.h (TARGET_HAS_F_SETLKW): Renamed to ...
7166 (TARGET_POSIX_IO): This.
7167 * config/darwin.h: Likewise.
7168 * config/freebsd.h: Likewise.
7169 * config/linux.h: Likewise.
7170 * config/lynx.h: Likewise.
7171 * config/netbsd.h: Likewise.
7172 * config/rs6000/linux64.h: Likewise.
7173 * config/rs6000/linux.h: Likewise.
7174 * config/s390/tpf.h: Likewise.
7175 * config/sh/embed-elf.h: Likewise.
7176 * config/sparc/linux64.h: Likewise.
7177 * config/sparc/linux.h: Likewise.
7178 * config/svr4.h: Likewise.
7179 * gcov-io.h: Likewise.
7181 * doc/tm.texi: Updated.
7183 * libgcov.c (create_file_directory): Defined only if
7184 TARGET_POSIX_IO is defined.
7185 (gcov_exit): Call create_file_directory only if TARGET_POSIX_IO
7188 2005-07-13 Jan Hubicka <jh@suse.cz>
7190 * tree-ssa-operands.c (get_expr_operands): Fix typo in previous patch.
7192 2005-07-13 David Edelsohn <edelsohn@gnu.org>
7194 * tree-ssa-dom.c (lookup_avail_expr): Do not pass member in freed
7195 structure as argument.
7197 2005-07-13 Paolo Bonzini <bonzini@gnu.org>
7199 PR tree-optimization/21921
7200 * tree-iterator.c (tsi_link_before): Support the case when
7201 tsi_end_p (tsi) == true.
7203 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
7205 PR tree-optimization/22442
7206 * tree-chrec.c (chrec_fold_multiply_poly_poly): Associate chrecs
7209 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
7211 PR rtl-optimization/20376
7212 * toplev.c (process_options): Enable -fweb and -frename-registers when
7214 * doc/invoke.texi: Update the information about when -fweb and
7215 -frename-registers are enabled.
7217 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
7220 * tree-ssa-pre.c (eliminate): Convert the sprime to the correct type
7221 if *rhs_p is not a SSA_NAME.
7223 2005-07-12 Daniel Berlin <dberlin@dberlin.org>
7225 Fix PR tree-optimization/22422
7226 * tree-ssa-structalias.c (struct variable_info): Add flag for
7228 (get_varinfo): Now a static function.
7229 (new_varinfo): init has_union and is_special_var to false.
7230 (solution_set_add): Check has_union.
7231 (do_da_constraint): Move temporary variable so it gets reset
7233 Also check for special variable.
7234 (do_ds_constraint): Ditto.
7235 (do_sd_constraint): Ditto.
7236 (do_structure_copy): Check for special variable.
7237 (find_func_aliases): Ditto.
7238 (init_base_vars): Set special vars properly.
7240 2005-07-13 Jan Hubicka <jh@suse.cz>
7242 * cfgexpand.c (expand_one_stack_var): Do not expand variables when we
7245 * tree-ssa-operands.c (parse_ssa_operands): Fix formatting.
7246 (get_expr_operands): Fix thinko wrt flags and subvars.
7248 PR tree-optimize/22379
7249 * tree-inline.c (expand_call_inline): Do not output sorry in early
7252 2005-07-12 Dale Johannesen <dalej@apple.com>
7254 * config/rs6000.c (rs6000_rtx_cost): Move FLOAT_EXTEND.
7256 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
7259 * host-linux.h: Include limits.h.
7261 2005-07-12 Dale Johannesen <dalej@apple.com>
7263 * expr.c (compress_float_constant): Add cost check.
7264 * config/rs6000.c (rs6000_rtx_cost): Adjust FLOAT_EXTEND cost.
7266 2005-07-12 Dale Johannesen <dalej@apple.com>
7268 * gcc.target/i386/compress-float-sse.c: New.
7269 * gcc.target/i386/compress-float-sse-pic.c: New.
7270 * gcc.target/i386/compress-float-387.c: New.
7271 * gcc.target/i386/compress-float-387-pic.c: New.
7272 * gcc.dg/compress-float-ppc.c: New.
7273 * gcc.dg/compress-float-ppc-pic.c: New.
7275 2005-07-12 Eric Christopher <echristo@redhat.com>
7277 * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
7279 * config/s390/s390.md: Include tpf.md. Move tpf specific
7281 * config/s390/tpf.md: To here.
7282 * config/s390/s390.opt: Move tpf specific options...
7283 * config/s390/tpf.opt: to here. Add mmain option.
7284 * config/s390/tpf-unwind.h: Remove unnecessary defines.
7285 * config/s390/tpf.h: Rewrite.
7287 2005-07-12 Eric Christopher <echristo@redhat.com>
7289 * gcc.c (struct infile): Update comment for language.
7290 (main): Rewrite input file resetting code.
7292 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
7295 * tree-ssa-dom.c (eliminate_redundant_computations): Reject the prop if
7296 requiring a cast in a non RHS of modify_expr. Add a cast when required.
7297 (lookup_avail_expr): Use constant_boolean_node instead
7298 of boolean_false_node/boolean_true_node.
7300 2005-07-12 Ben Elliston <bje@au.ibm.com>
7302 * tree-cfg.c (dump_cfg_stats): Add a new fmt_str_2 format string
7303 and use it when printing num_edges.
7305 2005-07-12 Bernd Schmidt <bernd.schmidt@analog.com>
7307 * doc/extend.texi (Blackfin Built-in Functions): New section.
7308 * doc/invoke.texi (mcsync-anomaly, mno-csync-anomaly): Fix the
7311 2005-07-12 Adrian Straetling <straetling@de.ibm.com>
7313 * builtins.c: (expand_builtin_memcmp, expand_builtin_strncmp):
7314 s/cmpstrsi/cmpstrnsi
7315 (expand_builtin_strcmp): Rewrite to support both 'cmpstrsi' and
7317 * optabs.c: (prepare_cmp_insn): Add availability of 'cmpstrn'.
7318 (init_optabs): Initialize cmpstrn_optab.
7319 * optabs.h: (enum insn_code cmpstrn_optab): Declare.
7320 * genopinit.c: (optabs[]): Add 'cmpstrn' to initialisation.
7321 * expr.c: (enum insn_code cmpstrn_optab): Declare.
7322 * config/i386/i386.md: s/cmpstr/cmpstrn
7323 * config/c4x/c4x.md: s/cmpstr/cmpstrn
7324 * doc/md.texi: Update documentation.
7326 2005-07-11 Richard Henderson <rth@redhat.com>
7328 * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Use
7329 build_va_arg_indirect_ref.
7330 (alpha_gimplify_va_arg): Likewise.
7331 * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
7332 * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
7333 * config/mips/mips.c (mips_gimplify_va_arg_expr): Likewise.
7334 * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
7335 * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
7336 * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_arg):
7338 * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
7340 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
7342 * tree-flow.h (remove_empty_loops, single_dom_exit): Declare.
7343 * passes.c (init_optimization_passes): Add pass_empty_loop.
7344 * tree-pass.h (pass_empty_loop): Declare.
7345 * tree-ssa-loop-ivcanon.c (empty_loop_p, remove_empty_loop,
7346 try_remove_empty_loop, remove_empty_loops): New functions.
7347 * tree-ssa-loop-ivopts.c (single_dom_exit): Export.
7348 * tree-ssa-loop.c (tree_ssa_empty_loop, pass_empty_loop): New.
7350 2005-07-12 Peter Barada <peter@the-baradas.com>
7354 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Disallow bytes
7355 in address registers.
7356 * config/m68k/m68k.c (hard_regno_mode_ok): Likewise.
7357 * config/m68k/m68k.md: Replace 's' with 'i' in 4th
7358 alternative of addsi3_5200.
7360 2005-07-11 Ian Lance Taylor <ian@airs.com>
7362 * config/mips/mips.md (ffs<mode>2): Remove.
7364 2005-07-11 Ian Lance Taylor <ian@airs.com>
7366 * doc/tree-ssa.texi (Cleanups): Improve description of
7368 (GIMPLE Exception Handling): Clarify TRY_CATCH_EXPR cases.
7370 2005-07-11 Daniel Berlin <dberlin@dberlin.org>
7372 * print-tree.c (print_node): Use DECL_ARGUMENT_FLD.
7373 * tree.h (DECL_ARGUMENT_FLD): New macro.
7375 2005-07-11 Daniel Berlin <dberlin@dberlin.org>
7377 Fix PR tree-optimization/22404
7379 * tree-ssa-structalias.c (create_variable_info_for): Use
7382 2005-07-11 Bernd Schmidt <bernd.schmidt@analog.com>
7384 * config/bfin/bfin.md (cmpsi, compare_eq, compare_ne, compare_lt,
7385 compare_le, compare_leu, compare_ltu): Use reg_or_const_int_operand
7386 for second comparison operand.
7387 * config/bfin/predicates.md (reg_or_const_int_operand): New.
7389 * config/bfin/bfin.md (define_attr "type"): Add "sync".
7390 (define_insn_reservation "alu"): Likewise.
7391 (csync, ssync): Now of type sync.
7392 * config/bfin/bfin.h (TARGET_DEFAULT): Defaults to
7393 -mcsync-anomaly -mspecld-anomaly.
7394 * config/bfin/bfin.opt (mcsync): Remove.
7395 (mcsync-anomaly, mspecld-anomaly): Add.
7396 * config/bfin/bfin.c: Include "insn-codes.h".
7397 (bfin_reorg): Extend to handle the CSYNC anomaly as well.
7398 (TARGET_DEFAULT_TARGET_FLAGS): New.
7399 * doc/invoke.texi: Document -mcsync-anomaly, -mspecld-anomaly.
7401 2005-07-11 Steven Bosscher <stevenb@suse.de>
7403 * basic-block.h: Give the BB flags enum a name, bb_flags.
7404 Add new flags BB_FORWARDER_BLOCK, and BB_NONTHREADABLE_BLOCK.
7405 * cfgcleanup.c (enum bb_flags): Remove here.
7406 (BB_FLAGS, BB_SET_FLAG, BB_CLEAR_FLAG): Remove.
7407 (notice_new_block): Set/test bb->flags instead of aux via BB_FLAGS.
7408 (update_forwarder_flag): Likewise.
7409 (thread_jump): Likewise.
7410 (try_forward_edges): Likewise.
7411 (try_optimize_cfg): Likewise. Clear bb->flags before updating the
7412 forwarder flags. Don't clear bb->aux for all basic blocks. Only
7413 reset the BB_FORWARDER_BLOCK and BB_NONTHREADABLE_BLOCK flags.
7415 2005-07-11 Richard Guenther <rguenther@suse.de>
7417 * config/i386/i386.opt: New target option -msseregparm.
7418 * config/i386/i386.c (override_options): Error out for
7419 -msseregparm but no SSE support.
7420 (ix86_function_sseregparm): Check for global sseregparm.
7421 * doc/invoke.texi: Document -msseregparm.
7423 2005-07-11 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
7425 * config.gcc (m32r-*-linux*): Use the default extra_parts.
7426 (m32rle-*-linux*): Ditto.
7428 2005-07-11 Jakub Jelinek <jakub@redhat.com>
7430 * cfgexpand.c (stack_protect_classify_type): Use TYPE_SIZE_UNIT (type)
7431 instead of TYPE_MAX_VALUE (TYPE_DOMAIN (type)) to get array size in
7434 2005-07-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7438 * loop.c (loop_givs_rescan): Use expand_simple_binop instead of
7439 gen_rtx_MINUS to handle non-replaceable (plus ((x) (const)).
7441 2005-07-07 Daniel Berlin <dberlin@dberlin.org>
7443 * tree-ssa-structalias.c (struct variable_info): Heapify complex.
7444 (varmap): Heapify varmap.
7445 (constraints): Heapify constraints.
7446 (struct constraint_graph): Heapify succs and preds.
7447 (constraint_vec_find): Update for heapification.
7448 (constraint_set_union): Ditto.
7449 (insert_into_complex): Ditto.
7450 (constraint_edge_vec_find): Ditto.
7451 (erase_graph_self_edge): Ditto.
7452 (add_graph_edge): Ditto.
7453 (get_graph_weights): Ditto.
7454 (merge_graph_nodes): Ditto.
7455 (build_constraint_graph): Ditto.
7456 (topo_visit): Ditto.
7457 (solve_graph): Ditto.
7458 (create_variable_info_for): Ditto.
7459 (init_base_vars): Ditto.
7460 (delete_points_to_sets): Free graph, varmap, and complex constraints.
7461 (condese_varmap_nodes): Free complex vector.
7462 (clear_edges_for_node): Clear succs and preds vector.
7464 2005-07-10 Daniel Berlin <dberlin@dberlin.org>
7466 * tree-ssa-structalias.c (update_alias_info): Change counting of
7467 references to not include vdefs.
7469 2005-07-10 Daniel Berlin <dberlin@dberlin.org>
7471 * tree-ssa-alias.c (free_used_part_map): Add missing free.
7474 2005-07-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7476 * pa.c (pa_commutative_p): Make PLUS commutative when
7477 TARGET_NO_SPACE_REGS is true.
7479 2005-07-09 Diego Novillo <dnovillo@redhat.com>
7481 * Makefile.in (tree-ssa-alias.o): Depend on tree-ssa-structalias.h
7482 * tree-cfg.c (CHECK_OP): Only test for is_gimple_val.
7483 * tree-dfa.c (dump_subvars_for): New.
7484 (debug_subvars_for): New.
7485 (dump_variable): Show subvariables if VAR has them.
7486 * tree-flow-inline.h (get_subvar_at): New.
7487 (overlap_subvar): Change offset and size to unsigned HOST_WIDE_INT.
7488 * tree-flow.h (struct ptr_info_def): Remove field pt_malloc.
7490 (struct subvar): Change fields offset and size to unsigned
7492 (dump_subvars_for): Declare.
7493 (debug_subvars_for): Declare.
7494 (get_subvar_at): Declare.
7495 (okay_component_ref_for_subvars): Change 2nd and 3rd argument
7496 to unsigned HOST_WIDE_INT *.
7497 (overlap_subvar): Likewise.
7498 * tree-gimple.c (is_gimple_reg): Always return false for
7499 SFTs and memory tags.
7500 * tree-pass.h (pass_build_pta, pass_del_pta): Remove.
7502 * tree-ssa-alias.c: Include tree-ssa-structalias.h.
7503 (compute_may_aliases): Call compute_points_to_sets.
7504 (collect_points_to_info_for): Remove.
7505 (compute_points_to_and_addr_escape): Remove.
7506 (delete_alias_info): Call delete_points_to_sets.
7507 (compute_flow_sensitive_aliasing): If the call to
7508 find_what_p_points_to returns false, call set_pt_anything.
7509 (add_may_alias): Set TREE_ADDRESSABLE when adding a new alias.
7510 (set_pt_anything): Clear pi->pt_vars.
7511 (set_pt_malloc): Remove.
7512 (merge_pointed_to_info): Remove.
7513 (add_pointed_to_expr): Remove.
7514 (add_pointed_to_var): Remove.
7515 (collect_points_to_info_r): Remove.
7516 (is_escape_site): Make extern.
7518 (create_overlap_variables_for): Call it.
7519 * tree-ssa-copy.c (merge_alias_info): Never merge
7520 flow-sensitive alias information.
7521 * tree-ssa-operands.c (get_expr_operands): Adjust variables
7522 offset and size to be unsigned HOST_WIDE_INT.
7523 (add_to_addressable_set): Rename from note_addressable.
7524 Set TREE_ADDRESSABLE as the variables are added to the set.
7526 (add_stmt_operand): Do not try to micro-optimize unmodifiable
7527 operands into VUSEs when adding V_MAY_DEFs for members in an
7529 * tree-ssa-operands.h (add_to_addressable_set): Declare.
7530 * tree-ssa-structalias.c: Include tree-ssa-structalias.h last.
7531 (struct variable_info): Add bitfield is_heap_var.
7532 (var_anyoffset, anyoffset_tree, anyoffset_id): Declare.
7533 (new_var_info): Initialize is_heap_var.
7534 (get_constraint_for): Add HEAP variables to the symbol table.
7535 Mark them with is_heap_var.
7536 (update_alias_info): New. Taken mostly from the old
7537 compute_points_to_and_addr_escape.
7538 (handle_ptr_arith): New.
7539 (find_func_aliases): Call update_alias_info.
7540 Call handle_ptr_info for tcc_binary expressions.
7541 Call mark_stmt_modified.
7542 (create_variable_info_for): If DECL has subvars, do not create
7543 variables for its subvars. Always add all the fields.
7544 (set_uids_in_ptset): If the solution includes ANYOFFSET and
7545 SFTs, then add all the SFTs of the structure.
7546 If VI->DECL is an aggregate with subvariables, add the SFT at
7548 (find_what_p_points_to): If VI is an artificial variable,
7549 translate to bitfields in SSA_NAME_PTR_INFO.
7550 If the solution is empty, set pi->pt_vars to NULL
7551 (init_base_vars): Create ANYOFFSET.
7552 (compute_points_to_sets): Rename from create_alias_vars.
7554 (pass_build_pta): Remove.
7555 (delete_points_to_sets): Rename from delete_alias_vars.
7556 (pass_del_pta): Remove.
7557 * tree-ssa-structalias.h (struct alias_info): Move from
7559 (NUM_REFERENCES, NUM_REFERENCES_CLEAR, NUM_REFERENCES_INC,
7560 NUM_REFERENCES_SET): Likewise.
7561 (compute_points_to_sets, delete_points_to_sets): Declare.
7563 2005-07-09 Richard Henderson <rth@redhat.com>
7565 * config/alpha/alpha.c (emit_insxl, alpha_expand_compare_and_swap_12,
7566 alpha_split_compare_and_swap_12, alpha_expand_lock_test_and_set_12,
7567 alpha_split_lock_test_and_set_12): New functions.
7568 * config/alpha/alpha-protos.h: Update.
7569 * config/alpha/alpha.md (UNSPEC_MB, UNSPEC_ATOMIC,
7570 UNSPEC_CMPXCHG, UNSPEC_XCHG): Rename from UNSPECV_FOO.
7571 * config/alpha/sync.md (I12MODE): New.
7572 (memory_barrier, mb_internal): Use unspec instead of unspec_volatile.
7573 (sync_<fetchop_name><I48MODE>): Likewise.
7574 (sync_nand<I48MODE>): Likewise.
7575 (sync_old_<fetchop_name><I48MODE>): Likewise.
7576 (sync_new_<fetchop_name><I48MODE>): Likewise.
7577 (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
7578 (sync_compare_and_swap<I48MODE>): Likewise.
7579 (sync_lock_test_and_set<I48MODE>): Likewise.
7580 (sync_compare_and_swap<I12MODE>): New.
7581 (sync_compare_and_swap<I12MODE>_1): New.
7582 (sync_lock_test_and_set<I12MODE>): New.
7583 (sync_lock_test_and_set<I12MODE>_1): New.
7585 2005-07-09 Diego Novillo <dnovillo@redhat.com>
7589 * passes.c (execute_todo): Cleanup the CFG before updating SSA.
7591 2005-07-09 Jakub Jelinek <jakub@redhat.com>
7593 * config/i386/i386.c (output_set_got): Don't omit OFFSET FLAT:
7594 in Intel syntax add %reg, OFFSET FLAT:_GLOBAL_OFFSET_TABLE_+(.-.Lx).
7596 2005-07-09 Richard SAndiford <richard@codesourcery.com>
7599 * config/mips/elf.h (NO_IMPLICIT_EXTERN_C): Define.
7601 2005-07-08 David Edelsohn <edelsohn@gnu.org>
7603 * config/rs6000/sync.md (load_locked_<mode>): Use Z for
7604 memory_operand constraint.
7605 (store_conditional_<mode>): Same.
7606 (sync_compare_and_swap<mode>): Same.
7607 (sync_lock_test_and_set<mode>): Same.
7609 2005-07-08 Hans-Peter Nilsson <hp@axis.com>
7611 Rewrite PIC support to more closely model actual instructions.
7612 * config/cris/cris-protos.h (cris_gotless_symbol, cris_got_symbol)
7613 (cris_symbol): Remove prototypes for removed functions.
7614 (cris_pic_symbol_type_of, cris_valid_pic_const)
7615 (cris_expand_pic_call_address): Prototypes for new functions.
7616 * config/cris/cris/cris.c (cris_pic_sympart_only): Remove unused
7618 (cris_print_operand) <case 'v', 'P'>: Remove cases for unused
7620 <case ':'>: Add case for new punctuation character.
7621 <case 'd'>: Temporarily set flag_pic = 2 instead of incorrectly
7622 emitting (extra) PIC modifier.
7623 <case UNSPEC>: Do not assert for PLT.
7624 (cris_initial_frame_pointer_offset, cris_simple_epilogue)
7625 (cris_expand_prologue, cris_expand_epilogue): Check
7626 for pic_offset_table_rtx usage instead of taking
7627 current_function_uses_pic_offset_table as the final word.
7628 (cris_rtx_costs, cris_address_cost, cris_side_effect_mode_ok):
7629 Remove flag_pic difference.
7630 (cris_valid_pic_const, cris_pic_symbol_type_of): New functions,
7631 the moral equivalents of...
7632 (cris_symbol, cris_gotless_symbol, cris_got_symbol): Remove
7634 (cris_legitimate_pic_operand): Just call cris_valid_pic_const.
7635 (cris_handle_option): Mark ARG as unused.
7636 (cris_expand_pic_call_address): New worker function for "call",
7638 (cris_asm_output_symbol_ref, cris_asm_output_label_ref): Do not
7639 output PIC constructs here.
7640 (cris_output_addr_const_extra): Changes for emitting PIC modifiers
7641 as symbol-specific modifers, not whole or part of operands.
7642 * config/cris/cris/cris.h (EXTRA_CONSTRAINT): Remove 'U' case.
7643 (EXTRA_CONSTRAINT_S): Changed semantics: allow only CONST-wrapped
7644 constants and flag_pic.
7645 (CONSTANT_INDEX_P): Adjust for new functions.
7646 (enum cris_pic_symbol_type): New helper type.
7647 (PRINT_OPERAND_PUNCT_VALID_P): Add ':'.
7648 * config/cris/cris/cris.md (CRIS_UNSPEC_GOTREL)
7649 (CRIS_UNSPEC_GOTREAD, CRIS_UNSPEC_PLTGOTREAD): New
7651 ("movsi"): Emit actual instructions for GOT and relative access.
7652 ("*movsi_got_load"): New pattern to set up the register holding
7654 ("*movsi_internal"): Operand 1 is not a plain general_operand.
7655 Adjust FIXME for 'S'.
7656 <output for 'S' alternative>: Sanity-check UNSPEC types for PIC.
7657 Use "movs" for -fpic cases.
7658 ("addsi3"): Add alternative for 'S'; use adds.w when possible.
7659 ("uminsi3","*expanded_call_value"): Remove 'S' alternative.
7660 ("call", "call_value"): Just call cris_expand_pic_call_address for
7662 ("*expanded_call_no_gotplt", "*expanded_call_value_no_gotplt"):
7663 Remove special pattern.
7664 ("*expanded_call_side", "*expanded_call_value_side"): New
7666 (gotplt-to-plt, gotplt-to-plt-side-call)
7667 (gotplt-to-plt-side-call-value, gotplt-to-plt-side): New
7669 * config/cris/cris/predicates.md
7670 ("cris_general_operand_or_gotless_symbol"): Remove unused
7672 ("cris_general_operand_or_symbol"): Adjust for new functions.
7674 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
7676 * config/darwin.h (TARGET_C99_FUNCTIONS): Define to 1.
7678 2005-07-08 Daniel Berlin <dberlin@dberlin.org>
7680 * Makefile.in (TREE_H): Add treestruct.def.
7681 (c-decl.o): Add pointer-set.h
7682 * c-decl.c (diagnose_mismatched_decls): Don't attempt to look at
7683 visibility on regular DECL's.
7684 (merge_decls): Fix the copying of decl nodes of various types for
7685 the new structures. Don't update RTL, section name, weak status,
7686 etc, on DECL's without RTL.
7687 (grokdeclarator): DECL_ARG_TYPE_AS_WRITTEN is gone.
7688 Don't check volatile on non-variable types.
7689 (store_parm_decls_oldstyle): Use pointer_set instead of DECL_WEAK
7690 to check whether we have seen arguments.
7691 * c-objc-common.c (c_tree_printer): Reverse order of tests so that
7692 flag is checked before field (flag is common, field is not).
7693 * dwarf2out.c (decl_ultimate_origin): Only DECL's with
7694 TS_DECL_COMMON could have an origin.
7695 (add_location_or_const_value_attribute): Don't check section name
7696 on non-var/function decls.
7697 (dwarf2out_var_location): Reverse order of tests.
7698 * emit-rtl.c (set_reg_attrs_for_parm): DECL_CHECK is dead, replace
7699 with DECL_WRTL_CHECK.
7700 * expmed.c (make_tree): rtl is now in decl_with_rtl.
7701 * fold-const.c (fold_binary): Don't check weakness on
7702 non-var/function decls.
7703 (tree_expr_nonzero_p): Ditto.
7704 (fold_checksum_tree): Use tree_decl_extra as sizeof
7706 * ggc-page.c (extra_order_size_table): Add sizes for
7707 tree_decl_non_common, tree_parm_decl, tree_var_decl, and
7709 * gimplify.c (gimplify_bind_expr): Only set
7710 DECL_SEEN_IN_BIND_EXPR_P on VAR_DECL.
7711 * integrate.c (copy_decl_for_inlining): Don't set RTL on decl's
7713 * langhooks-def.h (LANG_HOOK_INIT_TS): New.
7714 * langhooks.h (init_ts). New langhook.
7715 * passes.c (rest_of_decl_compilation): Reverse order of tests.
7716 * print-tree.c (print_node): Update to only print fields that
7717 exist in the structures the passed decl has.
7718 * toplev.c (wrapup_global_declarations): Don't reset
7719 DECL_DEFER_OUTPUT on DECL's that don't contain it.
7720 * tree-browser.c (browse_tree): DECL_ARG_TYPE_AS_WRITTEN removed.
7721 * tree-inline.c (remap_decl): Ditto.
7722 * tree-outof-ssa.c (create_temp): Reverse order of tests.
7723 * tree-pretty-print.c (print_declaration): Don't print
7724 DECL_REGISTER on things that don't contain it.
7725 * tree-vrp.c (expr_computes_nonzero): Don't check weakness on
7726 non-var/function decls.
7727 * tree.c (tree_contains_struct): New structure.
7728 (init_priority_for_decl): New hashtable.
7729 (tree_int_map): New structure.
7730 (tree_int_map_eq): New function.
7731 (tree_int_map_marked_p): Ditto.
7732 (tree_int_map_hash): Ditto.
7733 (tree_map): Move to tree.h.
7734 (tree_map_eq): Externalize.
7735 (tree_map_hash): Ditto.
7736 (tree_map_marked_p): Ditto.
7737 (init_ttree): Set up tree_contains_struct and call langhook.
7738 (decl_assembler_name): Use DECL_NON_COMMON_CHECK..
7739 (tree_code_size): Update for new structures.
7740 (tree_node_structure): Update for new structures.
7741 (make_node_stat): Don't try to set DECL_IN_SYSTEM_HEADER on decls
7743 (copy_node_stat): Copy init priority.
7744 (build_decl_stat): Ditto for visibility.
7745 (ts_enum_names): New.
7746 (tree_contains_struct_check_failed): New function.
7747 (decl_init_priority_lookup): Ditto.
7748 (decl_init_priority_insert): Ditto.
7749 * treestruct.def: New file.
7750 * tree.h (CODE_CONTAINS_STRUCT): New macro.
7751 (CONTAINS_STRUCT_CHECK): Ditto.
7752 (tree_contains_struct_check_failed): New prototype.
7753 (DECL_CHECK): Removed.
7754 (DECL_MINIMAL_CHECK): New.
7755 (DECL_COMMON_CHECK): Ditto.
7756 (DECL_WRTL_CHECK): Ditto.
7757 (DECL_NON_COMMON_CHECK): Ditto.
7758 (DECL_WITH_VIS_CHECK): Ditto.
7759 (VAR_OR_FUNCTION_DECL_P): Ditto
7760 (struct tree_decl_minimal): New structure.
7761 (struct tree_decl_common): Ditto.
7762 (struct tree_decl_with_rtl): Ditto.
7763 (struct tree_decl_with_vis): Ditto.
7764 (struct tree_decl_non_common): Ditto.
7765 (struct tree_field_decl): Ditto.
7766 (struct tree_parm_decl): Ditto.
7767 (struct tree_var_decl): Ditto.
7768 (struct tree_function_decl): Ditto.
7769 (struct tree_const_decl): Ditto.
7770 (struct tree_result_decl): Ditto.
7771 (union tree_node): Add new structures.
7772 * var-tracking.c (track_expr_p): Reverse order of tests.
7774 * doc/c-tree.texi: Add documentation on DECL node internal structure.
7776 2005-07-08 Kazu Hirata <kazu@codesourcery.com>
7778 * cfgexpand.c (tree_expand_cfg): Don't use FINALIZE_PIC.
7779 * system.h: Poison FINALIZE_PIC.
7780 * doc/tm.texi (FINALIZE_PIC): Remove.
7782 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
7785 * tree-ssa-propagate.c (fold_predicate_in): Convert the value
7786 to the correct type if we have a MODIFY_EXPR.
7788 2005-07-08 Kazu Hirata <kazu@codesourcery.com>
7790 PR tree-optimization/22360
7791 * tree.c (upper_bound_in_type): Fix calculations for casting
7792 to a non-wider signed type and casting a signed value to a
7793 wider unsigned type.
7794 (lower_bound_in_type): Fix calculations for casting to a
7795 non-wider signed type.
7797 PR tree-optimization/20139
7798 * tree-cfg.c (remove_bb): Check in_ssa_p before calling
7800 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Call
7801 fold_cond_expr_cond.
7802 * tree-ssanames.c (release_defs): Assert in_ssa_p.
7803 * tree.c (upper_bound_in_type, lower_bound_in_type): Rewrite.
7805 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
7808 * tree-complex.c (expand_complex_libcall): Produce
7809 REALPART_EXPR/IMAGPART_EXPR with the correct type.
7811 2005-07-08 Kenneth Zadeck <zadeck@naturalbridge.com>
7813 * bitmap.c (bitmap_and, bitmap_and_into, bitmap_and_compl,
7814 bitmap_and_compl_into, bitmap_xor, bitmap_xor_into): Removed "a !=
7815 b" assert and inserted fastpath code for this case.
7816 (bitmap_ior): Removed "a != b" assert.
7818 2005-07-08 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
7820 * config/m32r/linux.h (STARTFILE_SPEC): Support PIE.
7821 (ENDFILE_SPEC): Likewise.
7822 * config/m32r/m32r.h (ASM_SPEC): Likewise.
7824 * config/m32r/m32r.c (m32r_output_function_epilogue): Care for
7825 a large stack frame at epilogue.
7827 2005-07-08 David Billinghurst <David.Billinghurst@riotinto.com>
7829 * final.c: Include sdbout.h when required.
7831 2005-07-07 Geoffrey Keating <geoffk@apple.com>
7833 * config.gcc (*-*-darwin*): Only one target-specific header file
7835 (powerpc-*-darwin*): Add version-specific header files.
7836 * configure.in (gcc_AC_CHECK_DECLS): Add strverscmp.
7837 * config.in: Regenerate.
7838 * configure: Regenerate.
7839 * gcc.c: Include xregex.h.
7840 (version_compare_spec_function): New.
7841 (spec_function): Add version-compare.
7842 (replace_outfile_spec_function): Reformat comment.
7843 (compare_version_strings): New.
7844 * config/darwin-c.c (version_as_macro): New.
7845 (builtin_define): New.
7846 (darwin_cpp_builtins): New.
7847 * config/darwin-protos.h (darwin_cpp_builtins): New.
7848 * config/darwin.h (CPP_SPEC): Don't define APPLE_CC here.
7849 (LIB_SPEC): Make unconditional, update comment.
7850 (TARGET_C99_FUNCTIONS): Define.
7851 * config/darwin.opt: Sort.
7852 (mmacosx-version-min=): New.
7853 * config/darwin7.h: Delete.
7854 * config/darwin8.h: Delete.
7855 * config/i386/darwin.h (): Call darwin_cpp_builtins.
7856 * config/rs6000/darwin.h (): Call darwin_cpp_builtins.
7857 (TARGET_C99_FUNCTIONS): Define.
7858 * config/rs6000/darwin7.h: New.
7859 * config/rs6000/darwin8.h: New.
7860 * doc/invoke.texi (Darwin Options): Add -mmacosx-version-min=
7861 (-mmacosx-version-min): Document.
7863 2005-07-07 Ian Lance Taylor <ian@airs.com>
7865 * config/mips/mips.md (abs<mode>2) [GPR]: Remove.
7867 2005-07-07 John David Anglin <dave.anglin@nrc-crc.gc.ca>
7870 * loop.c (loop_givs_rescan): Check that v->new_reg is a REG.
7872 2005-07-07 Khem Raj <kraj@mvista.com>
7874 * config/arm/arm.c (thumb_output_function_prologue): Calculate offset
7875 in bytes, not words.
7877 2005-07-07 Paul Brook <paul@codesourcery.com>
7879 * config/arm/arm.c (arm_pad_arg_upward): Compare return value of
7880 DEFAULT_FUNCTION_ARG_PADDING to upward.
7882 2005-07-07 Richard Henderson <rth@redhat.com>
7884 * function.c (locate_and_pad_parm): Record parameter alignment in
7885 stack_alignment_needed.
7887 2005-07-07 David Edelsohn <edelsohn@gnu.org>
7889 * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_SYNC_OP,
7890 UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC, UNSPEC_ISYNC): Delete.
7891 (UNSPECV_LL, UNSPECV_SC, UNSPECV_ATOMIC, UNSPECV_SYNC,
7892 UNSPECV_SYNC_OP, UNSPECV_CMPXCHG, UNSPECV_LWSYNC, UNSPECV_ISYNC): New.
7893 (define_attr "type"): Add isync, sync, load_l, store_c.
7894 * config/rs6000/sync.md (memory_barrier): Change to define_expand.
7895 Create scratch volatile MEM.
7896 (sync_internal): New. POWER mnemonic is dcs, not ics. Attribute
7898 (load_locked_<mode>): New.
7899 (store_conditional_<mode>): New.
7900 (sync_compare_and_swap<mode>): Replace with splitter.
7901 (sync_lock_test_and_set<mode>): Replace with splitter.
7902 (sync_<fetchop><mode>): Change to unspec_volatile UNSPECV_SYNC_OP
7904 (isync): Change to unspec_volatile UNSPECV_ISYNC. POWER mnemonic
7905 is ics. Attribute isync.
7906 (lwsync): Change to unspec_volatile UNSPECV_LWSYNC. Attribute
7908 * config/rs6000/rs6000.c (rs6000_emit_sync): Use UNSPEC_VOLATILE
7909 and UNSPECV_SYNC_OP.
7910 (emit_unlikely_jump): New.
7911 (emit_load_locked): New.
7912 (emit_store_conditional): New.
7913 (rs6000_split_compare_and_swap): New.
7914 (rs6000_split_lock_test_and_set): New.
7915 (is_dispatch_slot_restricted): Return 4 for TYPE_LOAD_L,
7916 TYPE_STORE_C, TYPE_ISYNC, TYPE_SYNC.
7917 * config/rs6000/rs6000-protos.h (rs6000_split_compare_and_swap,
7918 rs6000_split_lock_test_and_set): Declare.
7919 * config/rs6000/{40x.md,440.md,603.md,6xx.md,7450.md,7xx.md,8540.md,
7920 mpc.md,power4.md,power5.md,rios1.md,rios2.md,rs64.md): Add load_l,
7921 store_c, isync, sync.
7923 2005-07-07 Kelley Cook <kcook@gcc.gnu.org>
7925 * Makefile.in (echo_quoted_to_gtyp): New template for outputing
7926 filenames to gtyp-gen.h.
7927 (s-typ-gen): Use it in place of for loops.
7929 2005-07-07 J"orn Rennecke <joern.rennecke@st.com>
7931 * hooks.c (hook_bool_rtx_int_false): New function.
7932 * hooks.h (hook_bool_rtx_int_false): Declare.
7933 * target-def.h (TARGET_COMMUTATIVE_P): Define.
7934 (TARGET_INITIALIZER): Add TARGET_COMMUTATIVE_P.
7935 * target.h (struct gcc_target): Add commutative_p member.
7936 * targhooks.c (hook_bool_rtx_commutative_p): New function.
7937 * targhooks.h (hook_bool_rtx_commutative_p): Declare.
7938 * pa.c (TARGET_COMMUTATIVE_P): Redefine.
7939 (pa_commutative_p): New function.
7940 * jump.c (target.h): Include.
7941 (rtx_renumbered_equal_p): Use targetm.commutative_p.
7942 * doc/tm.texi: Document TARGET_COMMUTATIVE_P.
7944 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
7946 * config/s390/s390-protos.h (s390_expand_clrmem): Delete.
7947 (s390_expand_setmem): New.
7948 * config/s390/s390.c: Likewise.
7949 (print_shift_count_operand): Truncate to 12 bits instead of 6.
7951 * config/s390/s390.md: ("setmem<mode>"): Accept character as
7952 general_operand. Call new function "s390_expand_setmem".
7953 ("clrmem_long", "*clrmem_long"): Rewrite to ...
7954 ("setmem_long", "*setmem_long"): ... this.
7956 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
7958 * config/s390/s390.c: (optimization_options): Enable
7959 TARGET_MVCLE at -Os.
7960 * doc/invoke.texi: Document changes in default behaviour.
7961 * config/s390/s390.opt: ("mvcle"): Fix typo: is "mmvcle".
7963 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
7965 * expr.c: (set_storage_via_setmem): Convert opchar to mode
7966 defined by back-end.
7968 2005-07-07 Jakub Jelinek <jakub@redhat.com>
7970 * config/sparc/sparc.md (stack_protect_testsi): Put clobbers after
7971 all sets in the pattern.
7972 * config/rs6000/rs6000.md (stack_protect_testsi,
7973 stack_protect_testdi): Likewise.
7975 2005-07-06 Jeff Law <law@redhat.com>
7977 * tree-vrp.c (simplify_using_ranges): Kill.
7978 (vrp_finalize): Remove call to simplify_using_ranges.
7979 (simplify_stmt_using_ranges): New function extracted from
7980 simplify_using_ranges.
7981 (simplify_div_or_mod_using_ranges): Likewise.
7982 (simplify_abs_using_ranges): Likewise.
7983 (simplify_cond_using_ranges): New function.
7984 * tree-flow.h (simplify_stmt_using_ranges): Prototype.
7985 * tree-ssa-propagate.c (substitute_and_fold): Call
7986 simplify_stmt_using_ranges if we have range information.
7988 2005-07-06 James E. Wilson <wilson@specifixinc.com>
7990 * config/ia64/ia64.c (ia64_reorg): Check optimize before
7991 ia64_flag_schedule_isns2.
7993 * config/ia64/ia64.c (ia64_expand_movxf_movrf): Don't word swap when
7994 reading/writing general registers.
7995 (ia64_function_arg): Revert 2005-06-18 change.
7997 2005-07-06 John David Anglin <dave.anglin@nrc-crnc.gc.ca>
7999 * pa.c (legitimize_pic_address): Use gcc_assert instead of abort.
8000 (legitimize_tls_address): Use gcc_unreachable instead of abort.
8002 2005-07-06 Kaz Kojima <kkojima@gcc.gnu.org>
8004 * function.c (expand_function_end): Revert part of 2005-06-27
8005 patch. Do sjlj_emit_function_exit_after after return_label.
8007 2005-07-06 Kazu Hirata <kazu@codesourcery.com>
8009 * doc/install.texi (--disable-libssp): New.
8011 2005-07-06 Fariborz Jahanian <fjahanian@apple.com>
8013 * doc/invoke.texi: Update -fforce-mem documentation.
8014 * dojump.c (compare_from_rtx,do_compare_rtx_and_jump): Remove
8015 code for -fforce-mem.
8016 * expmed.c: (store_bit_field,store_fixed_bit_field,
8017 extract_bit_field): Ditto.
8018 * expr.c: (convert_move): Ditto.
8019 * optabs.c: (expand_binop,expand_twoval_unop,expand_twoval_binop,
8020 expand_unop,emit_unop_insn,prepare_cmp_insn,emit_conditional_move,
8021 emit_conditional_add,expand_float,expand_fix): Ditto.
8022 * opts.c: (decode_options): Remove setting of flag_force_mem flag.
8023 (common_handle_option): Issue warning when -fforce-mem specified.
8025 2005-07-06 Paul Brook <paul@codesourcery.com>
8027 * aclocal.m4: Work around a bug in AC_PATH_PROGS when its last
8029 * configure: Regenerate.
8031 2005-07-06 J"orn Rennecke <joern.rennecke@st.com>
8033 * sh.c (final_prescan_insn): Undo bogus change from 2005-05-09.
8035 2005-07-06 Daniel Berlin <dberlin@dberlin.org>
8037 Fix PR tree-optimization/22319
8038 Fix PR tree-optimization/22140
8039 Fix PR tree-optimization/22310
8041 * tree-ssa-structalias.c (do_structure_copy): Give up earlier on
8042 variable sized types.
8043 Use correct type for intermediate structure on *a = *b structure
8046 2005-07-06 Jakub Jelinek <jakub@redhat.com>
8048 * config/rs6000/rs6000.h (RS6000_VARARGS_AREA, RS6000_VARARGS_SIZE):
8050 (STARTING_FRAME_OFFSET): Don't add RS6000_VARARGS_AREA.
8051 (machine_function): Move typedef to...
8052 * config/rs6000/rs6000.c (machine_function): ... here. Add
8053 varargs_save_offset field.
8054 (rs6000_stack_t): Remove varargs_size field.
8055 (setup_incoming_varargs): Allocate varargs save area using
8056 assign_stack_local, try to make it as small as possible.
8057 Save offset from virtual_stack_vars_rtx to the save area
8058 in cfun->machine->varargs_save_offset. Use UNITS_PER_FP_WORD
8059 instead of magic 8 when fp word byte size is used.
8060 (rs6000_va_start): Use cfun->machine->varargs_save_offset
8061 instead of -RS6000_VARARGS_SIZE.
8062 (rs6000_stack_info, debug_stack_info,
8063 rs6000_initial_elimination_offset): Remove all traces of
8065 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Remove.
8066 * config/rs6000/darwin.h (STARTING_FRAME_OFFSET): Don't add
8067 RS6000_VARARGS_AREA.
8069 2005-07-06 Zdenek Dvorak <dvorakz@suse.cz>
8071 PR tree-optimization/21963
8072 * tree-ssa-loop-ivopts.c (get_computation_aff): Use
8073 constant_multiple_of in the same way get_computation_cost_at does.
8075 2005-07-06 Jakub Jelinek <jakub@redhat.com>
8077 * config/sparc/sparc.h (sparc_compare_emitted): New extern.
8078 * config/sparc/sparc.c (sparc_compare_emitted): New variable.
8079 (gen_compare_reg): If sparc_compare_emitted is set, clear it
8080 and return its previous value.
8081 (emit_v9_brxx_insn): Assert sparc_compare_emitted is NULL.
8082 * config/sparc/sparc.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New
8084 (stack_protect_set, stack_protect_test): New expanders.
8085 (stack_protect_setsi, stack_protect_setdi, stack_protect_testsi,
8086 stack_protect_testdi): New insns.
8087 * config/sparc/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
8088 * config/sparc/linux64.h (TARGET_THREAD_SSP_OFFSET): Define.
8090 2005-07-06 Jeff Law <law@redhat.com>
8092 * tree-ssa-dce.c (cfg_altered): New global.
8093 (tree_dce_init): Initialize cfg_altered.
8094 (remove_dead_stmt): If we remove an edge in the CFG, then set
8096 (perform_tree_ssa_dce): If we altered the CFG, then invalidate
8099 2005-07-06 Kazu Hirata <kazu@codesourcery.com>
8101 * Makefile.in (stamp-collect-ld): Use
8102 $(ORIGINAL_LD_FOR_TARGET) instead of $<. Don't remove
8103 ./collect-ld if it already exists.
8104 (stamp-nm): Use $(ORIGINAL_NM_FOR_TARGET) instead of $<.
8105 Don't remove ./nm if it already exists.
8107 2005-07-05 Devang Patel <dpatel@apple.com>
8109 * tree-vectorizer.h (struct _loop_vec_info): Remove loop_line_number.
8110 (LOOP_VINFO_LOC, LOOP_LOC): Remove.
8111 * tree-vectorizer.c (vect_loop_location): New.
8112 (vect_print_dump_info): Use vect_loop_location.
8113 (new_loop_vec_info): Do not set LOOP_VINFO_LOC.
8114 (vectorize_loops): Set vect_loop_location.
8115 * tree-vect-analyze.c (vect_analyze_offset_expr,
8116 vect_determin_vectorization_factor, vect_analyze_operations,
8117 vect_analyze_scalar_cycles, vect_analyze_data_ref_dependence,
8118 vect_analyze_data_ref_dependences, vect_compute_data_ref_alignment,
8119 vect_analyze_data_refs_alignment, vect_analyze_data_ref_access,
8120 vect_analyze_data_ref_accesses, vect_analyze_pointer_ref_access,
8121 vect_object_analysis, vect_analyze_data_refs, vect_mark_relevant,
8122 vect_stmt_relevant_p, vect_mark_stmts_to_be_vectorized,
8123 vect_can_advance_ivs_p, vect_get_loop_niters, vect_analyze_loop_form,
8124 vect_analyze_loop): Adjust vect_print_dump_info API.
8125 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
8126 vect_create_data_ref_ptr, vect_init_vector, vect_get_vec_def_for_operand,
8127 vect_finish_stmt_generation, vectorizable_assignment,
8128 vectorizable_operation, vectorizable_store, vectorizable_load,
8129 vectorizable_live_operation, vectorizable_condition, vect_transform_stmt,
8130 vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
8131 vect_gen_ninters_for_prolog_loop, vect_do_peeling_for_alignment,
8132 vect_transform_loop): Same.
8133 * tree-vectorizer.c (get_vectype_for_scalar_type, vect_is_simple_use,
8134 vect_is_simple_reduction, vect_is_simple_iv_evolution, vectorize_loops):
8137 2005-07-05 Randolph Chung <tausq@debian.org>
8139 * configure.ac (hppa*-*-linux*: Check for a TLS capable gas.
8140 * configure: Regenerate.
8141 * config/pa/pa-protos.h (tls_symbolic_operand): Declare.
8142 (pa_tls_referenced_p): Declare.
8143 * config/pa/pa.c (legitimize_pic_address): Reject TLS operands.
8144 (gen_tls_tga, gen_tls_get_addr, hppa_tls_call): New.
8145 (legitimize_tls_address): New.
8146 (hppa_legitimize_address): Handle TLS addresses.
8147 (pa_tls_symbol_ref_1, pa_tls_referenced_p): New.
8148 (TARGET_CANNOT_FORCE_CONST_MEM): Define.
8149 (emit_move_sequence): Handle TLS addresses.
8150 (pa_encode_section_info): Call default handler to handle common
8152 * config/pa/pa.h (PA_SYMBOL_REF_TLS_P): New.
8153 (CONSTANT_ADDRESS_P): Reject TLS operands.
8154 (TARGET_HAVE_TLS) [HAVE_AS_TLS]: Define.
8155 * config/pa/pa.md (UNSPEC_TP, UNSPEC_TLSGD, UNSPEC_TLSLDM)
8156 (UNSPEC_TLSLDO, UNSPEC_TLSLDBASE, UNSPEC_TLSIE)
8157 (UNSPEC_TLSLE): Define new constants.
8158 (tgd_load, tld_load, tld_offset_load, tp_load, tie_load, tle_load): New.
8159 * config/pa/predicates.md (symbolic_operand): Reject TLS operands.
8160 (tls_symbolic_operand, tgd_symbolic_operand, tld_symbolic_operand)
8161 (tie_symbolic_operand, tle_symbolic_operand): New
8163 2005-07-06 Kelley Cook <kcook@gcc.gnu.org>
8165 * aclocal.m4: Update macros for autoconf 2.59 style.
8166 * configure.ac: Likewise.
8168 2005-07-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8170 * pa.c (function_value): Handle small aggregates on 32-bit targets.
8171 (function_arg): Pass small aggregates in general registers on 32-bit
8173 * som.h (MEMBER_TYPE_FORCES_BLK): Delete define.
8175 2005-07-05 Andrew Pinski <pinskia@physics.uc.edu>
8177 * Makefile.in (final.o): Fix dependencies.
8179 2005-07-05 Joseph S. Myers <joseph@codesourcery.com>
8183 * langhooks.h (struct lang_hooks): Add expr_to_decl.
8184 * langhooks.c (lhd_expr_to_decl): New.
8185 * langhooks-def.h (lhd_expr_to_decl, LANG_HOOKS_EXPR_TO_DECL):
8187 (LANG_HOOKS_INITIALIZER): Update.
8188 * tree.c (recompute_tree_invarant_for_addr_expr): Call
8189 expr_to_decl langhook.
8190 * c-tree.h (c_expr_to_decl): Declare.
8191 * c-typeck.c (c_expr_to_decl): New.
8192 (build_unary_op): Do not handle ADDR_EXPR of COMPOUND_LITERAL_EXPR
8194 * c-objc-common.h (LANG_HOOKS_EXPR_TO_DECL): Define.
8196 2005-07-05 Joseph S. Myers <joseph@codesourcery.com>
8199 * c-decl.c (finish_struct): Also copy C_TYPE_FIELDS_READONLY,
8200 C_TYPE_FIELDS_VOLATILE and C_TYPE_VARIABLE_SIZE to type variants.
8202 2005-07-05 Paolo Bonzini <bonzini@gnu.org>
8204 * Makefile.in: Adjust dependencies.
8205 * tree-pass.h: Add new passes and passes formerly in tree-optimize.c.
8206 * basic-block.h (duplicate_computed_gotos): Remove, it is now static.
8207 * alias.c (rest_of_handle_cfg, pass_cfg): New.
8208 * bb-reorder.c (duplicate_computed_gotos): Make it static.
8209 * cfgexpand.c (tree_expand_cfg): Add code formerly at the beginning of
8210 rest_of_compilation.
8212 * bb-reorder.c (gate_duplicate_computed_gotos,
8213 pass_duplicate_computed_gotos, gate_handle_reorder_blocks,
8214 rest_of_handle_reorder_blocks, pass_reorder_blocks,
8215 gate_handle_partition_blocks, rest_of_handle_partition_blocks,
8216 pass_partition_blocks): New.
8217 * bt-load.c (gate_handle_branch_target_load_optimize,
8218 rest_of_handle_branch_target_load_optimize,
8219 pass_branch_target_load_optimize): New.
8220 * cfgcleanup.c (rest_of_handle_jump, pass_jump, rest_of_handle_jump2,
8222 * cfglayout.c (pass_insn_locators_initialize): New.
8223 * cfgrtl.c (pass_free_cfg): New.
8224 * combine.c (gate_handle_combine, rest_of_handle_combine,
8226 * cse.c (gate_handle_cse, rest_of_handle_cse, pass_cse,
8227 gate_handle_cse2, rest_of_handle_cse2, pass_cse2): New.
8228 * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes): New.
8229 * except.c (pass_set_nothrow_function_flags,
8230 pass_convert_to_eh_region_ranges, gate_handle_eh, rest_of_handle_eh,
8232 * final.c (pass_compute_alignments, rest_of_handle_final, pass_final,
8233 rest_of_handle_shorten_branches, pass_shorten_branches,
8234 rest_of_clean_state, pass_clean_state): New.
8235 * flow.c (pass_recompute_reg_usage, gate_remove_death_notes,
8236 rest_of_handle_remove_death_notes, pass_remove_death_notes,
8237 rest_of_handle_life, pass_life, rest_of_handle_flow2,
8239 * function.c (pass_instantiate_virtual_regs, pass_init_function,
8240 rest_of_handle_check_leaf_regs, pass_leaf_regs): New.
8241 * gcse.c (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
8242 pass_jump_bypass, gate_handle_gcse, rest_of_handle_gcse,
8244 * global.c (rest_of_handle_global_alloc, pass_global_alloc): New.
8245 * ifcvt.c (gate_handle_if_conversion, rest_of_handle_if_conversion,
8246 pass_rtl_ifcvt, gate_handle_if_after_combine,
8247 rest_of_handle_if_after_combine, pass_if_after_combine,
8248 gate_handle_if_after_reload, rest_of_handle_if_after_reload,
8249 pass_if_after_reload): New.
8250 * integrate.c (pass_initial_value_sets): New.
8251 * jump.c (pass_cleanup_barriers, purge_line_number_notes,
8252 pass_purge_lineno_notes): New.
8253 * mode-switching.c (rest_of_handle_mode_switching,
8254 pass_mode_switching): New.
8255 * local-alloc.c (rest_of_handle_local_alloc, pass_local_alloc): New.
8256 * loop-init.c (gate_handle_loop2, rest_of_handle_loop2,
8258 * loop.c (gate_handle_loop_optimize, rest_of_handle_loop_optimize,
8259 pass_loop_optimize): New.
8260 * modulo-sched.c (gate_handle_sms, rest_of_handle_sms,
8262 * postreload-gcse.c (gate_handle_gcse2, rest_of_handle_gcse2,
8264 * postreload.c (gate_handle_postreload, rest_of_handle_postreload,
8265 pass_postreload_cse): New.
8266 * profile.c (gate_handle_profiling, pass_profiling,
8267 rest_of_handle_branch_prob, pass_branch_prob): New.
8268 * recog.c (pass pass_split_for_shorten_branches, gate_do_final_split,
8269 pass_split_before_regstack, gate_handle_split_before_regstack,
8270 gate_handle_peephole2, rest_of_handle_peephole2, pass_peephole2,
8271 rest_of_handle_split_all_insns, pass_split_all_insns): New.
8272 * reg-stack.c (gate_handle_stack_regs, rest_of_handle_stack_regs,
8273 pass_stack_regs): New.
8274 * regmove.c (gate_handle_regmove, rest_of_handle_regmove, pass_regmove,
8275 gate_handle_stack_adjustments, rest_of_handle_stack_adjustments,
8276 pass_stack_adjustments): New.
8277 * regrename.c (gate_handle_regrename, rest_of_handle_regrename,
8278 pass_regrename): New.
8279 * reorg.c (gate_handle_delay_slots, rest_of_handle_delay_slots,
8280 pass_delay_slots, gate_handle_machine_reorg,
8281 rest_of_handle_machine_reorg, pass_machine_reorg): New.
8282 * rtl.h (extern void purge_line_number_notes): New.
8283 * sched-rgn.c (gate_handle_sched, rest_of_handle_sched,
8284 gate_handle_sched2, rest_of_handle_sched2, pass_sched,
8286 * tracer.c (gate_handle_tracer, rest_of_handle_tracer,
8288 * value-prof.c (gate_handle_value_profile_transformations,
8289 rest_of_handle_value_profile_transformations,
8290 pass_value_profile_transformations): New.
8291 * var-tracking.c (gate_handle_var_tracking,
8292 pass_variable_tracking): New.
8293 * web.c (gate_handle_web, rest_of_handle_web, pass_web): New.
8295 * passes.c (open_dump_file, close_dump_file, rest_of_handle_final,
8296 rest_of_handle_delay_slots, rest_of_handle_stack_regs,
8297 rest_of_handle_variable_tracking, rest_of_handle_machine_reorg,
8298 rest_of_handle_old_regalloc, rest_of_handle_regrename,
8299 rest_of_handle_reorder_blocks, rest_of_handle_partition_blocks,
8300 rest_of_handle_sms, rest_of_handle_sched, rest_of_handle_sched2,
8301 rest_of_handle_gcse2, rest_of_handle_regmove,
8302 rest_of_handle_tracer, rest_of_handle_if_conversion,
8303 rest_of_handle_if_after_combine, rest_of_handle_if_after_reload,
8304 rest_of_handle_web, rest_of_handle_branch_prob,
8305 rest_of_handle_value_profile_transformations, rest_of_handle_cfg,
8306 rest_of_handle_jump_bypass, rest_of_handle_combine,
8307 rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
8308 rest_of_handle_gcse, rest_of_handle_loop_optimize,
8309 rest_of_handle_loop2, rest_of_handle_branch_target_load_optimize,
8310 rest_of_handle_mode_switching, rest_of_handle_jump,
8311 rest_of_handle_eh, rest_of_handle_stack_adjustments,
8312 rest_of_handle_flow2, rest_of_handle_jump2,
8313 rest_of_handle_peephole2, rest_of_handle_postreload,
8314 rest_of_handle_shorten_branches, rest_of_clean_state,
8315 rest_of_compilation): Remove.
8317 * cgraphunit.c (ipa_passes): Moved from tree-optimize.c.
8318 * passes.c (dump_flags, in_gimple_form, all_passes,
8319 all_ipa_passes, all_lowering_passes, register_one_dump_file,
8320 register_dump_files, next_pass_1, last_verified, execute_todo,
8321 execute_one_pass, execute_pass_list, execute_ipa_pass_list): Moved
8322 from tree-optimize.c.
8323 (init_optimization_passes): Moved from tree-optimize.c,
8324 adding the RTL optimizations.
8325 * tree-dump.h (dump_info_p, dump_flag): Moved from tree.h.
8326 * tree-optimize.c (dump_flags, in_gimple_form, all_passes,
8327 all_ipa_passes, all_lowering_passes, register_one_dump_file,
8328 register_dump_files, next_pass_1, last_verified, execute_todo,
8329 execute_one_pass, execute_pass_list, execute_ipa_pass_list,
8330 init_tree_optimization_passes, ipa_passes): Delete.
8331 * tree-pass.h (enum tree_dump_index): Moved from tree.h, removing
8333 (TDF_*, get_dump_file_name, dump_enabled_p, dump_initialized_p,
8334 dump_begin, dump_end, dump_node, dump_switch_p, dump_flag_name): Moved
8336 (ipa_passes): Remove.
8337 (all_passes, all_ipa_passes, all_lowering_passes): Now extern.
8338 * tree.h (enum tree_dump_index, TDF_*, get_dump_file_name,
8339 dump_enabled_p, dump_initialized_p, dump_begin, dump_end, dump_node,
8340 dump_switch_p, dump_flag_name): Moved to tree-pass.h.
8341 (dump_info_p, dump_flag): Moved to tree-dump.h.
8343 * Makefile.in: Adjust dependencies for tree-pretty-print.c,
8345 * passes.c (finish_optimization_passes): Use dump_begin
8346 and dump_end, TDI_end.
8347 (gate_rest_of_compilation): New.
8348 (pass_rest_of_compilation): Use it.
8349 (gate_postreload, pass_postreload): New.
8350 * toplev.c (general_init): Rename init_tree_optimization_passes.
8351 * toplev.h (init_tree_optimization_passes): Rename to
8352 init_optimizations_passes.
8353 * tree-dump.c (dump_flag): Make static.
8354 (dump_files): Remove RTL dumps.
8355 * tree-optimize.c (pass_all_optimizations, pass_early_local_passes,
8356 pass_cleanup_cfg, pass_free_cfg_annotations,
8357 pass_cleanup_cfg_post_optimizing, pass_free_datastructures,
8358 pass_init_datastructures, pass_fixup_cfg): Make non-static.
8359 * tree-pretty-print.c: Include tree-pass.h.
8360 * cgraph.c: Include tree-dump.h.
8362 2005-07-04 Daniel Berlin <dberlin@dberlin.org>
8364 * tree-ssa-structalias.c (get_constraint_exp_from_ssa_var):
8365 Only fall back to saying it points to readonly memory if
8368 2005-07-05 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
8370 * config/m32r/m32r-protos.h: Remove m32r_finalize_pic.
8371 * config/m32r/m32r.c (m32r_compute_frame_size,
8372 m32r_expand_prologue): Take current_function_profile into
8373 account whenever we reference
8374 current_function_uses_pic_offset_table.
8375 (m32r_finalize_pic): Remove.
8376 * config/m32r/m32r.h (FINALIZE_PIC): Likewise.
8378 2005-07-05 Kazu Hirata <kazu@codesourcery.com>
8380 * Makefile.in (stamp-as): Use $(ORIGINAL_AS_FOR_TARGET)
8381 instead of $<. Don't remove ./as if it already exists.
8383 2005-07-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8386 * pa.md: Remove fcpy alternative from movhi and movqi patterns.
8387 * pa32-regs.h (HARD_REGNO_NREGS): Return two floating point registers
8388 for complex modes when generating code for PA 1.0.
8389 (VALID_FP_MODE_P): New macro.
8390 (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P. Use non-overlapping register
8391 sets for all general and floating point modes. Align wide floating
8392 point modes to even register boundaries to comply with architectural
8394 (CLASS_MAX_NREGS): Update to align with change to HARD_REGNO_NREGS.
8395 * pa64-regs.h (HARD_REGNO_NREGS): Update comment and formatting.
8396 (VALID_FP_MODE_P): New macro.
8397 (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P. Use non-overlapping register
8398 sets for all general and floating point modes. Align wide floating
8399 point modes to even register boundaries to comply with architectural
8402 2005-07-04 Diego Novillo <dnovillo@redhat.com>
8404 * tree-dump.c (dump_files): Initialize dump number for .cgraph
8407 2005-07-04 Diego Novillo <dnovillo@redhat.com>
8409 * tree-ssa-structalias.c: Don't include expr.h.
8411 2005-07-04 Diego Novillo <dnovillo@redhat.com>
8413 * tree-iterator.h (TSI_NEW_STMT, TSI_SAME_STMT): Fix
8416 2005-07-04 Daniel Berlin <dberlin@dberlin.org>
8418 Fix PR tree-optimization/22279
8420 * tree-ssa-structalias.c (offset_overlaps_with_access): Use
8423 2005-07-04 J"orn Rennecke <joern.rennecke@st.com>
8425 * sh.c (output_ieee_ccmpeq): Replace "\\;" with "\n\t".
8427 2005-07-03 Joseph S. Myers <joseph@codesourcery.com>
8429 * bb-reorder.c, c-pch.c, c-pragma.c, c.opt, cfghooks.c, cfgloop.c,
8430 cfgrtl.c, cgraphunit.c, config/c4x/c4x.c, config/cris/cris.c,
8431 config/frv/frv.c, config/host-darwin.c, config/iq2000/iq2000.c,
8432 config/lynx.h, config/m68k/m68k.c, config/pa/pa.c, config/sh/sh.h,
8433 config/stormy16/stormy16.c, config/v850/v850.c,
8434 config/vax/netbsd-elf.h, coverage.c, dwarf2out.c, emit-rtl.c,
8435 except.c, gcc.c, tree-cfg.c, tree-eh.c, tree-ssa.c, xcoffout.c:
8436 Avoid "." or "\n" at end of diagnostics and capital letters at
8437 start of diagnostics.
8438 * combine.c, cse.c: Don't translate dump file output.
8439 * toplev.c (print_version): Only translate output if going to
8442 2005-07-03 Kazu Hirata <kazu@codesourcery.com>
8444 * c-decl.c, tree-object-size.c, tree-vectorizer.c,
8445 config/arm/unwind-arm.c, config/arm/unwind-arm.h: Fix comment
8448 2005-07-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8450 * pa.c (fix_range): Fix typo in comment.
8452 2005-07-03 Kazu Hirata <kazu@codesourcery.com>
8454 * tree-vrp.c (extract_range_from_assert): Replace
8455 fold (build (...)) with fold_build2.
8457 2005-07-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8459 * c-format.c (gcc_gfc_format_type, gcc_gfc_flag_pairs,
8460 gcc_gfc_char_table, init_dynamic_gfc_info): New.
8461 (format_types_orig, handle_format_attribute): Add support for
8464 2005-07-03 Gabriel Dos Reis <gdr@integrable-solutions.net>
8466 * varasm.c (assemble_variable): Fix format specifier thinko.
8468 2005-07-03 Ira Rosen <irar@il.ibm.com>
8470 PR tree-optimization/22029 (and 22135)
8471 * tree-pretty-print.c (dump_generic_node): Check that the node is not
8472 a phi node before calling dump_vops.
8474 2005-07-02 Gabriel Dos Reis <gdr@integrable-solutions.net>
8476 * tree-dump.h (dump_string_field): Declare.
8477 * tree-dump.c: Use it instead of dump_string.
8478 (dump_string_field): Make non-static.
8480 2005-07-03 Kaz Kojima <kkojima@gcc.gnu.org>
8482 * config/sh/sh.c (sh_output_mi_thunk): Initialize and clean
8483 up the minimal CFG stuff always when optimize > 0. Call
8484 split_all_insns_noflow in PIC case if needed.
8486 2005-07-02 Gabriel Dos Reis <gdr@integrable-solutions.net>
8487 Christian Ehrhardt <ehrhardt@mathematik.uni-ulm.de>
8490 * c-decl.c (c_write_global_declarations): Dump contents of
8492 * tree-dump.c (dequeue_and_dump): Dump abstract origin of a decl.
8493 <TRY_FINALLY_EXPR>, <RETURN_EXPR>, <CASE_LABEL_EXPR>, <LABEL_EXPR>,
8494 <GOTO_EXPR>, <SWITCH_EXPR>: Add.
8495 (dump_enabled_p): Return TRUE if PHASE is TDI_all and any dump
8498 2005-07-03 Joseph S. Myers <joseph@codesourcery.com>
8500 * c-common.h (GCC_DIAG_STYLE): Define.
8501 * c-tree.h (GCC_DIAG_STYLE): Do not define. Change minimum GCC
8502 version for format checking to 4.1.
8503 * c-format.c: Include toplev.h after c-common.h.
8504 (enum format_type): Add gcc_tdiag_format_type.
8505 (gcc_tdiag_length_specs, gcc_tdiag_flag_pairs,
8506 gcc_tdiag_flag_specs, gcc_tdiag_char_table): New.
8507 (format_types_orig): Add gcc_tdiag.
8508 (init_dynamic_diag_info): Support gcc_tdiag formats.
8509 (handle_format_attribute): Likewise.
8510 * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Remove.
8511 (GCC_DIAG_STYLE): Default to __gcc_tdiag__. Change minimum GCC
8512 version for format checking to 4.1.
8513 (warning0, warning, error, pedwarn, sorry): Use
8515 * config/rs6000/rs6000.c (altivec_expand_builtin), varasm.c
8516 (finish_aliases_1): Do not use %qE.
8517 * config/arm/arm.c, config/i386/i386.c, config/mmix/mmix.c,
8518 config/pdp11/pdp11.c, stor-layout.c, tree-eh.c, tree-ssa.c:
8519 Correct format bugs.
8520 * config/v850/v850-protos.h (v850_output_aligned_bss): Change size
8521 parameter to unsigned HOST_WIDE_INT.
8522 * config/v850/v850.c (v850_output_aligned_bss): Likewise.
8524 2005-07-02 David Edelsohn <edelsohn@gnu.org>
8527 * expr.c (write_complex_part): Use adjust_address for MEM.
8528 (read_complex_part): Same.
8530 2005-07-02 Daniel Berlin <dberlin@dberlin.org>
8532 Fix PR tree-optimization/22280
8534 * tree-sra.c (generate_element_init): Remove useless loop.
8536 2005-07-02 Richard Henderson <rth@redhat.com>
8538 * config/alpha/alpha.c (alpha_legitimize_address): Check for
8540 (alpha_stdarg_optimize_hook): Use DECL_UID with va_list_vars.
8542 2005-07-02 Andrew Pinski <pinskia@physics.uc.edu>
8545 * fold-const.c (fold_binary): Handle the return value of
8546 fold_to_nonsharp_ineq_using_bound if we get back the same operand back.
8547 Implement "X +- C1 CMP C2" folding to "X CMP C2 -+ C1".
8549 2005-07-02 Jeff Law <law@redhat.com>
8551 * tree-ssa-dom.c (find_equivalent_equality_comparison): Do not
8552 a eliminate type conversion which feeds an equality comparison
8553 if the original type or either operand in the comparison is a
8556 2005-07-02 Joseph S. Myers <joseph@codesourcery.com>
8558 * c.opt, common.opt, config/bfin/bfin.opt, config/pa/pa.opt,
8559 config/rs6000/rs6000.opt, params.def: Remove "." from end of help
8561 * config/avr/avr.c: Do not use '`' as left quote.
8562 * config/rs6000/rs6000.c, config/s390/s390.c, opts.c, tree.c:
8563 Remove "." from end of diagnostics. Make diagnostics start with
8566 2005-07-02 Zack Weinberg <zack@codesourcery.com>
8567 Joseph S. Myers <joseph@codesourcery.com>
8569 * toplev.c (default_tree_printer): Handle setting location with
8571 * c-objc.common.c (c_tree_printer): Likewise.
8572 * c-format.c (gcc_diag_flag_specs): Add '+'.
8573 (gcc_cdiag_char_table): Allow '+' flag for tree formats.
8574 (format_types_orig): Allow '+' flag for gcc_diag and gcc_cdiag
8576 * c-common.c, c-decl.c, c-objc-common.c, c-pragma.c,
8577 config/arm/pe.c, config/i386/winnt.c, config/ia64/ia64.c,
8578 config/mcore/mcore.c, config/sh/symbian.c, config/sol2.c,
8579 config/v850/v850.c, function.c, stor-layout.c, toplev.c,
8580 tree-inline.c, tree-optimize.c, tree.c, varasm.c: Use '+' flag
8581 instead of %J or %H. Use 'q' flag for quoting. Avoid '.' at end
8582 of diagnostics. Use %q+D not %s for a decl. Do not pass excess
8583 format arguments where %J is used without %D.
8585 2005-07-02 Jakub Jelinek <jakub@redhat.com>
8587 * gcc.c (LINK_SSP_SPEC): Define.
8588 (link_ssp_spec): New variable.
8589 (LINK_COMMAND_SPEC): Add %(link_ssp).
8590 (static_specs): Add link_ssp_spec.
8591 * configure.ac (TARGET_LIBC_PROVIDES_SSP): New test.
8592 * configure: Rebuilt.
8593 * config.in: Rebuilt.
8595 * config/rs6000/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
8596 * config/rs6000/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
8597 * config/i386/linux.h (TARGET_THREAD_SSP_OFFSET): Likewise.
8598 * config/i386/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
8599 * config/rs6000/rs6000.md (stack_protect_set, stack_protect_test):
8600 If TARGET_THREAD_SSP_OFFSET is defined, use -0x7010(13) resp.
8601 -0x7008(2) instead of reading __stack_chk_guard variable.
8602 * config/i386/i386.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): Change
8604 (UNSPEC_SP_TLS_SET, UNSPEC_SP_TLS_TEST): New constants.
8605 (stack_protect_set, stack_protect_test): Use *_tls* patterns
8606 if TARGET_THREAD_SSP_OFFSET is defined.
8607 (stack_tls_protect_set_si, stack_tls_protect_set_di,
8608 stack_tls_protect_test_si, stack_tls_protect_test_di): New insns.
8611 2005-06-27 Richard Henderson <rth@redhat.com>
8612 * libgcc-std.ver (GCC_4.1.0): New.
8613 * libgcc.h (__stack_chk_guard): Declare.
8614 (__stack_chk_fail, __stack_chk_fail_local): Declare.
8615 * libgcc2.c (L_stack_chk, L_stack_chk_local): New.
8616 * mklibgcc.in (lib2funcs): Add them.
8618 2005-07-01 Richard Henderson <rth@redhat.com>
8620 * config/i386/linux-unwind.h (x86_64_fallback_frame_state): Cast to
8621 void * before struct sigcontext *.
8622 (x86_fallback_frame_state): Likewise.
8624 2005-07-01 James E. Wilson <wilson@specifixinc.com>
8626 * doc/invoke.texi (-funit-at-a-time): Correct grammar in second bullet.
8628 2005-07-01 Andrew Pinski <pinskia@physics.uc.edu>
8631 * tree-ssa-reassoc.c (should_transpose): Fix which operand
8632 we check for SSA_NAME for.
8634 2005-07-01 Daniel Berlin <dberlin@dberlin.org>
8636 Fix PR tree-optimization/22071
8638 * tree-ssa-structalias.c (offset_overlaps_with_access): New
8640 (get_constraint_for_component_ref): Use it.
8642 2005-07-01 Andrew Pinski <pinskia@physics.uc.edu>
8645 * diagnostic.c (diagnostic_report_current_module): Use pp_newline to
8646 print out the last new line.
8648 2005-07-01 Hans-Peter Nilsson <hp@axis.se>
8650 * config/cris/cris.md (CRIS_CC0_REGNUM): New constant.
8651 Swap numbers for CRIS_AP_REGNUM and CRIS_MOF_REGNUM.
8652 * config/cris/cris.c (cris_conditional_register_usage): Adjust
8653 reg_names[CRIS_CC0_REGNUM] for early CRIS versions.
8654 (cris_print_operand) <case REG>: Handle CRIS_CC0_REGNUM.
8655 (cris_md_asm_clobbers): Clobber CRIS_CC0_REGNUM for all asms.
8656 * config/cris/cris.h (CRIS_CANONICAL_CC0_REGNUM): New macro.
8657 (enum reg_class): New member CC0_REGS.
8658 (REG_CLASS_FROM_LETTER): Add 'c' for CC0_REGS.
8659 (FIRST_PSEUDO_REGISTER, CALL_USED_REGISTERS, REG_ALLOC_ORDER)
8660 (HARD_REGNO_MODE_OK, MODES_TIEABLE_P, REG_CLASS_NAMES)
8661 (CRIS_SPECIAL_REGS_CONTENTS, REG_CLASS_CONTENTS, REGNO_REG_CLASS)
8662 (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
8663 Adjust for register now described.
8665 2005-07-01 Jakub Jelinek <jakub@redhat.com>
8668 * config/i386/i386.md (stack_protect_test_si,
8669 stack_protect_test_di): Add earlyclobber for scratch 3.
8670 * config/rs6000/rs6000.md (stack_protect_testsi,
8671 stack_protect_testdi): Add earlyclobber for scratch 3,
8672 remove earlyclobber from scratch 4.
8674 Older entries for 2005 can be found in ChangeLog-2005.